Home / 1,459,756.10-2,189,634.15-513,003.80

Finding the Fourth Proportional to 1,459,756.10, 2,189,634.15 and 513,003.80

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Solution

The fourth proportional to 1,459,756.10, 2,189,634.15 and 513,003.80 is: 769,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,756.10 : 2,189,634.15 = 513,003.80 : x
  2. Step 2: Convert to fraction form
    1,459,756.10/2,189,634.15 = 513,003.80/x
  3. Step 3: Cross multiply
    1,459,756.10x = 2,189,634.15 × 513,003.80
  4. Step 4: Simplify right side
    1,459,756.10x = 1,123,290,639,559.77
  5. Step 5: Solve for x
    x = 1,123,290,639,559.77/1,459,756.10
  6. Step 6: Final answer
    x = 769,505.70

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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.