Home / 1,001,597.09-1,382,205.19-542,711.30

Finding the Fourth Proportional to 1,001,597.09, 1,382,205.19 and 542,711.30

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Solution

The fourth proportional to 1,001,597.09, 1,382,205.19 and 542,711.30 is: 748,942.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,597.09 : 1,382,205.19 = 542,711.30 : x
  2. Step 2: Convert to fraction form
    1,001,597.09/1,382,205.19 = 542,711.30/x
  3. Step 3: Cross multiply
    1,001,597.09x = 1,382,205.19 × 542,711.30
  4. Step 4: Simplify right side
    1,001,597.09x = 750,138,372,908.23
  5. Step 5: Solve for x
    x = 750,138,372,908.23/1,001,597.09
  6. Step 6: Final answer
    x = 748,942.25

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Double scale
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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.