Home / 1,304,521.20-1,799,808.72-788,081.76

Finding the Fourth Proportional to 1,304,521.20, 1,799,808.72 and 788,081.76

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Solution

The fourth proportional to 1,304,521.20, 1,799,808.72 and 788,081.76 is: 1,087,292.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,521.20 : 1,799,808.72 = 788,081.76 : x
  2. Step 2: Convert to fraction form
    1,304,521.20/1,799,808.72 = 788,081.76/x
  3. Step 3: Cross multiply
    1,304,521.20x = 1,799,808.72 × 788,081.76
  4. Step 4: Simplify right side
    1,304,521.20x = 1,418,396,423,720.95
  5. Step 5: Solve for x
    x = 1,418,396,423,720.95/1,304,521.20
  6. Step 6: Final answer
    x = 1,087,292.74

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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.