Home / 913,432.26-1,260,411.74-526,103.62

Finding the Fourth Proportional to 913,432.26, 1,260,411.74 and 526,103.62

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Solution

The fourth proportional to 913,432.26, 1,260,411.74 and 526,103.62 is: 725,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,432.26 : 1,260,411.74 = 526,103.62 : x
  2. Step 2: Convert to fraction form
    913,432.26/1,260,411.74 = 526,103.62/x
  3. Step 3: Cross multiply
    913,432.26x = 1,260,411.74 × 526,103.62
  4. Step 4: Simplify right side
    913,432.26x = 663,107,182,385.66
  5. Step 5: Solve for x
    x = 663,107,182,385.66/913,432.26
  6. Step 6: Final answer
    x = 725,951.13

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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.