Home / 1,336,089.60-2,005,689.60-804,211.20

Finding the Fourth Proportional to 1,336,089.60, 2,005,689.60 and 804,211.20

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Solution

The fourth proportional to 1,336,089.60, 2,005,689.60 and 804,211.20 is: 1,207,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,089.60 : 2,005,689.60 = 804,211.20 : x
  2. Step 2: Convert to fraction form
    1,336,089.60/2,005,689.60 = 804,211.20/x
  3. Step 3: Cross multiply
    1,336,089.60x = 2,005,689.60 × 804,211.20
  4. Step 4: Simplify right side
    1,336,089.60x = 1,612,998,040,043.52
  5. Step 5: Solve for x
    x = 1,612,998,040,043.52/1,336,089.60
  6. Step 6: Final answer
    x = 1,207,252.90

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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.