Home / 1,337,548.80-2,006,323.20-390,881.28

Finding the Fourth Proportional to 1,337,548.80, 2,006,323.20 and 390,881.28

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Solution

The fourth proportional to 1,337,548.80, 2,006,323.20 and 390,881.28 is: 586,321.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,548.80 : 2,006,323.20 = 390,881.28 : x
  2. Step 2: Convert to fraction form
    1,337,548.80/2,006,323.20 = 390,881.28/x
  3. Step 3: Cross multiply
    1,337,548.80x = 2,006,323.20 × 390,881.28
  4. Step 4: Simplify right side
    1,337,548.80x = 784,234,180,509.70
  5. Step 5: Solve for x
    x = 784,234,180,509.70/1,337,548.80
  6. Step 6: Final answer
    x = 586,321.92

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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.