Home / 1,258,695.27-1,888,633.40-627,658.29

Finding the Fourth Proportional to 1,258,695.27, 1,888,633.40 and 627,658.29

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Solution

The fourth proportional to 1,258,695.27, 1,888,633.40 and 627,658.29 is: 941,781.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,695.27 : 1,888,633.40 = 627,658.29 : x
  2. Step 2: Convert to fraction form
    1,258,695.27/1,888,633.40 = 627,658.29/x
  3. Step 3: Cross multiply
    1,258,695.27x = 1,888,633.40 × 627,658.29
  4. Step 4: Simplify right side
    1,258,695.27x = 1,185,416,407,142.59
  5. Step 5: Solve for x
    x = 1,185,416,407,142.59/1,258,695.27
  6. Step 6: Final answer
    x = 941,781.89

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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.