Home / 1,129,511.28-1,694,267.52-709,082.40

Finding the Fourth Proportional to 1,129,511.28, 1,694,267.52 and 709,082.40

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Solution

The fourth proportional to 1,129,511.28, 1,694,267.52 and 709,082.40 is: 1,063,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,511.28 : 1,694,267.52 = 709,082.40 : x
  2. Step 2: Convert to fraction form
    1,129,511.28/1,694,267.52 = 709,082.40/x
  3. Step 3: Cross multiply
    1,129,511.28x = 1,694,267.52 × 709,082.40
  4. Step 4: Simplify right side
    1,129,511.28x = 1,201,375,279,323.65
  5. Step 5: Solve for x
    x = 1,201,375,279,323.65/1,129,511.28
  6. Step 6: Final answer
    x = 1,063,623.98

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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.