Home / 1,087,616.20-1,500,952.92-744,172.47

Finding the Fourth Proportional to 1,087,616.20, 1,500,952.92 and 744,172.47

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Solution

The fourth proportional to 1,087,616.20, 1,500,952.92 and 744,172.47 is: 1,026,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,616.20 : 1,500,952.92 = 744,172.47 : x
  2. Step 2: Convert to fraction form
    1,087,616.20/1,500,952.92 = 744,172.47/x
  3. Step 3: Cross multiply
    1,087,616.20x = 1,500,952.92 × 744,172.47
  4. Step 4: Simplify right side
    1,087,616.20x = 1,116,967,841,830.11
  5. Step 5: Solve for x
    x = 1,116,967,841,830.11/1,087,616.20
  6. Step 6: Final answer
    x = 1,026,987.13

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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.