Home / 1,031,391.14-1,547,403.45-492,335.28

Finding the Fourth Proportional to 1,031,391.14, 1,547,403.45 and 492,335.28

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Solution

The fourth proportional to 1,031,391.14, 1,547,403.45 and 492,335.28 is: 738,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,391.14 : 1,547,403.45 = 492,335.28 : x
  2. Step 2: Convert to fraction form
    1,031,391.14/1,547,403.45 = 492,335.28/x
  3. Step 3: Cross multiply
    1,031,391.14x = 1,547,403.45 × 492,335.28
  4. Step 4: Simplify right side
    1,031,391.14x = 761,841,310,828.72
  5. Step 5: Solve for x
    x = 761,841,310,828.72/1,031,391.14
  6. Step 6: Final answer
    x = 738,654.12

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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.