Home / 1,787,069.20-2,680,296.60-664,560.40

Finding the Fourth Proportional to 1,787,069.20, 2,680,296.60 and 664,560.40

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Solution

The fourth proportional to 1,787,069.20, 2,680,296.60 and 664,560.40 is: 996,726.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,069.20 : 2,680,296.60 = 664,560.40 : x
  2. Step 2: Convert to fraction form
    1,787,069.20/2,680,296.60 = 664,560.40/x
  3. Step 3: Cross multiply
    1,787,069.20x = 2,680,296.60 × 664,560.40
  4. Step 4: Simplify right side
    1,787,069.20x = 1,781,218,980,614.64
  5. Step 5: Solve for x
    x = 1,781,218,980,614.64/1,787,069.20
  6. Step 6: Final answer
    x = 996,726.36

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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.