Home / 1,098,166.10-1,645,499.55-814,730.90

Finding the Fourth Proportional to 1,098,166.10, 1,645,499.55 and 814,730.90

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Solution

The fourth proportional to 1,098,166.10, 1,645,499.55 and 814,730.90 is: 1,220,798.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,166.10 : 1,645,499.55 = 814,730.90 : x
  2. Step 2: Convert to fraction form
    1,098,166.10/1,645,499.55 = 814,730.90/x
  3. Step 3: Cross multiply
    1,098,166.10x = 1,645,499.55 × 814,730.90
  4. Step 4: Simplify right side
    1,098,166.10x = 1,340,639,329,321.10
  5. Step 5: Solve for x
    x = 1,340,639,329,321.10/1,098,166.10
  6. Step 6: Final answer
    x = 1,220,798.32

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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.