Home / 1,738,278.30-2,607,287.85-727,139.10

Finding the Fourth Proportional to 1,738,278.30, 2,607,287.85 and 727,139.10

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Solution

The fourth proportional to 1,738,278.30, 2,607,287.85 and 727,139.10 is: 1,090,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,278.30 : 2,607,287.85 = 727,139.10 : x
  2. Step 2: Convert to fraction form
    1,738,278.30/2,607,287.85 = 727,139.10/x
  3. Step 3: Cross multiply
    1,738,278.30x = 2,607,287.85 × 727,139.10
  4. Step 4: Simplify right side
    1,738,278.30x = 1,895,860,940,689.94
  5. Step 5: Solve for x
    x = 1,895,860,940,689.94/1,738,278.30
  6. Step 6: Final answer
    x = 1,090,654.44

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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.