Home / 1,125,251.56-1,687,333.02-415,613.80

Finding the Fourth Proportional to 1,125,251.56, 1,687,333.02 and 415,613.80

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Solution

The fourth proportional to 1,125,251.56, 1,687,333.02 and 415,613.80 is: 623,219.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,251.56 : 1,687,333.02 = 415,613.80 : x
  2. Step 2: Convert to fraction form
    1,125,251.56/1,687,333.02 = 415,613.80/x
  3. Step 3: Cross multiply
    1,125,251.56x = 1,687,333.02 × 415,613.80
  4. Step 4: Simplify right side
    1,125,251.56x = 701,278,888,307.68
  5. Step 5: Solve for x
    x = 701,278,888,307.68/1,125,251.56
  6. Step 6: Final answer
    x = 623,219.65

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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.