Home / 1,345,602.50-2,018,403.75-547,318.34

Finding the Fourth Proportional to 1,345,602.50, 2,018,403.75 and 547,318.34

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Solution

The fourth proportional to 1,345,602.50, 2,018,403.75 and 547,318.34 is: 820,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,602.50 : 2,018,403.75 = 547,318.34 : x
  2. Step 2: Convert to fraction form
    1,345,602.50/2,018,403.75 = 547,318.34/x
  3. Step 3: Cross multiply
    1,345,602.50x = 2,018,403.75 × 547,318.34
  4. Step 4: Simplify right side
    1,345,602.50x = 1,104,709,389,899.77
  5. Step 5: Solve for x
    x = 1,104,709,389,899.77/1,345,602.50
  6. Step 6: Final answer
    x = 820,977.51

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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.