Home / 1,025,122.56-1,415,334.24-917,505.96

Finding the Fourth Proportional to 1,025,122.56, 1,415,334.24 and 917,505.96

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Solution

The fourth proportional to 1,025,122.56, 1,415,334.24 and 917,505.96 is: 1,266,753.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,122.56 : 1,415,334.24 = 917,505.96 : x
  2. Step 2: Convert to fraction form
    1,025,122.56/1,415,334.24 = 917,505.96/x
  3. Step 3: Cross multiply
    1,025,122.56x = 1,415,334.24 × 917,505.96
  4. Step 4: Simplify right side
    1,025,122.56x = 1,298,577,600,592.07
  5. Step 5: Solve for x
    x = 1,298,577,600,592.07/1,025,122.56
  6. Step 6: Final answer
    x = 1,266,753.51

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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.