Home / 1,268,113.72-1,750,555.40-887,634.04

Finding the Fourth Proportional to 1,268,113.72, 1,750,555.40 and 887,634.04

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Solution

The fourth proportional to 1,268,113.72, 1,750,555.40 and 887,634.04 is: 1,225,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,113.72 : 1,750,555.40 = 887,634.04 : x
  2. Step 2: Convert to fraction form
    1,268,113.72/1,750,555.40 = 887,634.04/x
  3. Step 3: Cross multiply
    1,268,113.72x = 1,750,555.40 × 887,634.04
  4. Step 4: Simplify right side
    1,268,113.72x = 1,553,852,561,945.82
  5. Step 5: Solve for x
    x = 1,553,852,561,945.82/1,268,113.72
  6. Step 6: Final answer
    x = 1,225,325.88

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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.