Home / 1,432,098.59-1,976,310.56-787,523.54

Finding the Fourth Proportional to 1,432,098.59, 1,976,310.56 and 787,523.54

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Solution

The fourth proportional to 1,432,098.59, 1,976,310.56 and 787,523.54 is: 1,086,790.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,098.59 : 1,976,310.56 = 787,523.54 : x
  2. Step 2: Convert to fraction form
    1,432,098.59/1,976,310.56 = 787,523.54/x
  3. Step 3: Cross multiply
    1,432,098.59x = 1,976,310.56 × 787,523.54
  4. Step 4: Simplify right side
    1,432,098.59x = 1,556,391,080,437.84
  5. Step 5: Solve for x
    x = 1,556,391,080,437.84/1,432,098.59
  6. Step 6: Final answer
    x = 1,086,790.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.