Home / 1,380,901.50-2,071,378.17-383,655.42

Finding the Fourth Proportional to 1,380,901.50, 2,071,378.17 and 383,655.42

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Solution

The fourth proportional to 1,380,901.50, 2,071,378.17 and 383,655.42 is: 575,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,901.50 : 2,071,378.17 = 383,655.42 : x
  2. Step 2: Convert to fraction form
    1,380,901.50/2,071,378.17 = 383,655.42/x
  3. Step 3: Cross multiply
    1,380,901.50x = 2,071,378.17 × 383,655.42
  4. Step 4: Simplify right side
    1,380,901.50x = 794,695,461,790.18
  5. Step 5: Solve for x
    x = 794,695,461,790.18/1,380,901.50
  6. Step 6: Final answer
    x = 575,490.33

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.