Home / 1,031,387.39-1,547,397.82-492,331.53

Finding the Fourth Proportional to 1,031,387.39, 1,547,397.82 and 492,331.53

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Solution

The fourth proportional to 1,031,387.39, 1,547,397.82 and 492,331.53 is: 738,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,387.39 : 1,547,397.82 = 492,331.53 : x
  2. Step 2: Convert to fraction form
    1,031,387.39/1,547,397.82 = 492,331.53/x
  3. Step 3: Cross multiply
    1,031,387.39x = 1,547,397.82 × 492,331.53
  4. Step 4: Simplify right side
    1,031,387.39x = 761,832,742,657.42
  5. Step 5: Solve for x
    x = 761,832,742,657.42/1,031,387.39
  6. Step 6: Final answer
    x = 738,648.50

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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.