Home / 870,965.20-1,304,719.80-767,054.80

Finding the Fourth Proportional to 870,965.20, 1,304,719.80 and 767,054.80

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Solution

The fourth proportional to 870,965.20, 1,304,719.80 and 767,054.80 is: 1,149,060.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,965.20 : 1,304,719.80 = 767,054.80 : x
  2. Step 2: Convert to fraction form
    870,965.20/1,304,719.80 = 767,054.80/x
  3. Step 3: Cross multiply
    870,965.20x = 1,304,719.80 × 767,054.80
  4. Step 4: Simplify right side
    870,965.20x = 1,000,791,585,245.04
  5. Step 5: Solve for x
    x = 1,000,791,585,245.04/870,965.20
  6. Step 6: Final answer
    x = 1,149,060.36

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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.