Home / 1,073,591.20-1,611,111.12-442,491.04

Finding the Fourth Proportional to 1,073,591.20, 1,611,111.12 and 442,491.04

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Solution

The fourth proportional to 1,073,591.20, 1,611,111.12 and 442,491.04 is: 664,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,591.20 : 1,611,111.12 = 442,491.04 : x
  2. Step 2: Convert to fraction form
    1,073,591.20/1,611,111.12 = 442,491.04/x
  3. Step 3: Cross multiply
    1,073,591.20x = 1,611,111.12 × 442,491.04
  4. Step 4: Simplify right side
    1,073,591.20x = 712,902,235,044.37
  5. Step 5: Solve for x
    x = 712,902,235,044.37/1,073,591.20
  6. Step 6: Final answer
    x = 664,035.10

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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.