Home / 1,025,863.20-1,541,419.20-910,389.60

Finding the Fourth Proportional to 1,025,863.20, 1,541,419.20 and 910,389.60

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Solution

The fourth proportional to 1,025,863.20, 1,541,419.20 and 910,389.60 is: 1,367,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,863.20 : 1,541,419.20 = 910,389.60 : x
  2. Step 2: Convert to fraction form
    1,025,863.20/1,541,419.20 = 910,389.60/x
  3. Step 3: Cross multiply
    1,025,863.20x = 1,541,419.20 × 910,389.60
  4. Step 4: Simplify right side
    1,025,863.20x = 1,403,292,008,920.32
  5. Step 5: Solve for x
    x = 1,403,292,008,920.32/1,025,863.20
  6. Step 6: Final answer
    x = 1,367,913.39

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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.