Home / 1,134,385.31-1,565,484.55-625,120.49

Finding the Fourth Proportional to 1,134,385.31, 1,565,484.55 and 625,120.49

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Solution

The fourth proportional to 1,134,385.31, 1,565,484.55 and 625,120.49 is: 862,684.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,385.31 : 1,565,484.55 = 625,120.49 : x
  2. Step 2: Convert to fraction form
    1,134,385.31/1,565,484.55 = 625,120.49/x
  3. Step 3: Cross multiply
    1,134,385.31x = 1,565,484.55 × 625,120.49
  4. Step 4: Simplify right side
    1,134,385.31x = 978,616,471,334.34
  5. Step 5: Solve for x
    x = 978,616,471,334.34/1,134,385.31
  6. Step 6: Final answer
    x = 862,684.36

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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.