Home / 1,149,773.78-1,587,345.50-763,113.56

Finding the Fourth Proportional to 1,149,773.78, 1,587,345.50 and 763,113.56

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Solution

The fourth proportional to 1,149,773.78, 1,587,345.50 and 763,113.56 is: 1,053,533.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,773.78 : 1,587,345.50 = 763,113.56 : x
  2. Step 2: Convert to fraction form
    1,149,773.78/1,587,345.50 = 763,113.56/x
  3. Step 3: Cross multiply
    1,149,773.78x = 1,587,345.50 × 763,113.56
  4. Step 4: Simplify right side
    1,149,773.78x = 1,211,324,863,702.68
  5. Step 5: Solve for x
    x = 1,211,324,863,702.68/1,149,773.78
  6. Step 6: Final answer
    x = 1,053,533.21

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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.