Home / 1,098,279.10-1,645,669.05-814,843.90

Finding the Fourth Proportional to 1,098,279.10, 1,645,669.05 and 814,843.90

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Solution

The fourth proportional to 1,098,279.10, 1,645,669.05 and 814,843.90 is: 1,220,967.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,279.10 : 1,645,669.05 = 814,843.90 : x
  2. Step 2: Convert to fraction form
    1,098,279.10/1,645,669.05 = 814,843.90/x
  3. Step 3: Cross multiply
    1,098,279.10x = 1,645,669.05 × 814,843.90
  4. Step 4: Simplify right side
    1,098,279.10x = 1,340,963,386,811.30
  5. Step 5: Solve for x
    x = 1,340,963,386,811.30/1,098,279.10
  6. Step 6: Final answer
    x = 1,220,967.77

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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.