Home / 1,229,672.40-1,844,508.60-891,124.80

Finding the Fourth Proportional to 1,229,672.40, 1,844,508.60 and 891,124.80

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Solution

The fourth proportional to 1,229,672.40, 1,844,508.60 and 891,124.80 is: 1,336,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,672.40 : 1,844,508.60 = 891,124.80 : x
  2. Step 2: Convert to fraction form
    1,229,672.40/1,844,508.60 = 891,124.80/x
  3. Step 3: Cross multiply
    1,229,672.40x = 1,844,508.60 × 891,124.80
  4. Step 4: Simplify right side
    1,229,672.40x = 1,643,687,357,273.28
  5. Step 5: Solve for x
    x = 1,643,687,357,273.28/1,229,672.40
  6. Step 6: Final answer
    x = 1,336,687.20

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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.