Home / 1,087,117.20-1,629,120.60-754,304.40

Finding the Fourth Proportional to 1,087,117.20, 1,629,120.60 and 754,304.40

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Solution

The fourth proportional to 1,087,117.20, 1,629,120.60 and 754,304.40 is: 1,130,377.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,117.20 : 1,629,120.60 = 754,304.40 : x
  2. Step 2: Convert to fraction form
    1,087,117.20/1,629,120.60 = 754,304.40/x
  3. Step 3: Cross multiply
    1,087,117.20x = 1,629,120.60 × 754,304.40
  4. Step 4: Simplify right side
    1,087,117.20x = 1,228,852,836,710.64
  5. Step 5: Solve for x
    x = 1,228,852,836,710.64/1,087,117.20
  6. Step 6: Final answer
    x = 1,130,377.51

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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.