Home / 1,126,811.25-1,690,881.12-417,337.47

Finding the Fourth Proportional to 1,126,811.25, 1,690,881.12 and 417,337.47

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Solution

The fourth proportional to 1,126,811.25, 1,690,881.12 and 417,337.47 is: 626,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,811.25 : 1,690,881.12 = 417,337.47 : x
  2. Step 2: Convert to fraction form
    1,126,811.25/1,690,881.12 = 417,337.47/x
  3. Step 3: Cross multiply
    1,126,811.25x = 1,690,881.12 × 417,337.47
  4. Step 4: Simplify right side
    1,126,811.25x = 705,668,048,691.57
  5. Step 5: Solve for x
    x = 705,668,048,691.57/1,126,811.25
  6. Step 6: Final answer
    x = 626,252.22

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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.