Home / 911,774.20-1,366,438.81-709,614.43

Finding the Fourth Proportional to 911,774.20, 1,366,438.81 and 709,614.43

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Solution

The fourth proportional to 911,774.20, 1,366,438.81 and 709,614.43 is: 1,063,470.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,774.20 : 1,366,438.81 = 709,614.43 : x
  2. Step 2: Convert to fraction form
    911,774.20/1,366,438.81 = 709,614.43/x
  3. Step 3: Cross multiply
    911,774.20x = 1,366,438.81 × 709,614.43
  4. Step 4: Simplify right side
    911,774.20x = 969,644,697,288.03
  5. Step 5: Solve for x
    x = 969,644,697,288.03/911,774.20
  6. Step 6: Final answer
    x = 1,063,470.21

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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.