Home / 1,005,187.56-1,387,169.60-546,302.12

Finding the Fourth Proportional to 1,005,187.56, 1,387,169.60 and 546,302.12

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Solution

The fourth proportional to 1,005,187.56, 1,387,169.60 and 546,302.12 is: 753,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,187.56 : 1,387,169.60 = 546,302.12 : x
  2. Step 2: Convert to fraction form
    1,005,187.56/1,387,169.60 = 546,302.12/x
  3. Step 3: Cross multiply
    1,005,187.56x = 1,387,169.60 × 546,302.12
  4. Step 4: Simplify right side
    1,005,187.56x = 757,813,693,279.55
  5. Step 5: Solve for x
    x = 757,813,693,279.55/1,005,187.56
  6. Step 6: Final answer
    x = 753,902.78

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.