Home / 1,358,508.78-1,874,761.56-746,718.12

Finding the Fourth Proportional to 1,358,508.78, 1,874,761.56 and 746,718.12

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Solution

The fourth proportional to 1,358,508.78, 1,874,761.56 and 746,718.12 is: 1,030,481.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,508.78 : 1,874,761.56 = 746,718.12 : x
  2. Step 2: Convert to fraction form
    1,358,508.78/1,874,761.56 = 746,718.12/x
  3. Step 3: Cross multiply
    1,358,508.78x = 1,874,761.56 × 746,718.12
  4. Step 4: Simplify right side
    1,358,508.78x = 1,399,918,427,531.47
  5. Step 5: Solve for x
    x = 1,399,918,427,531.47/1,358,508.78
  6. Step 6: Final answer
    x = 1,030,481.69

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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.