Home / 1,145,414.64-1,580,628.78-636,149.64

Finding the Fourth Proportional to 1,145,414.64, 1,580,628.78 and 636,149.64

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Solution

The fourth proportional to 1,145,414.64, 1,580,628.78 and 636,149.64 is: 877,862.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,414.64 : 1,580,628.78 = 636,149.64 : x
  2. Step 2: Convert to fraction form
    1,145,414.64/1,580,628.78 = 636,149.64/x
  3. Step 3: Cross multiply
    1,145,414.64x = 1,580,628.78 × 636,149.64
  4. Step 4: Simplify right side
    1,145,414.64x = 1,005,516,429,370.64
  5. Step 5: Solve for x
    x = 1,005,516,429,370.64/1,145,414.64
  6. Step 6: Final answer
    x = 877,862.39

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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.