Home / 1,753,272.70-2,629,909.05-911,715.10

Finding the Fourth Proportional to 1,753,272.70, 2,629,909.05 and 911,715.10

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Solution

The fourth proportional to 1,753,272.70, 2,629,909.05 and 911,715.10 is: 1,367,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,272.70 : 2,629,909.05 = 911,715.10 : x
  2. Step 2: Convert to fraction form
    1,753,272.70/2,629,909.05 = 911,715.10/x
  3. Step 3: Cross multiply
    1,753,272.70x = 2,629,909.05 × 911,715.10
  4. Step 4: Simplify right side
    1,753,272.70x = 2,397,727,792,511.65
  5. Step 5: Solve for x
    x = 2,397,727,792,511.65/1,753,272.70
  6. Step 6: Final answer
    x = 1,367,572.65

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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.