Home / 870,036.48-1,199,957.76-718,871.04

Finding the Fourth Proportional to 870,036.48, 1,199,957.76 and 718,871.04

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Solution

The fourth proportional to 870,036.48, 1,199,957.76 and 718,871.04 is: 991,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,036.48 : 1,199,957.76 = 718,871.04 : x
  2. Step 2: Convert to fraction form
    870,036.48/1,199,957.76 = 718,871.04/x
  3. Step 3: Cross multiply
    870,036.48x = 1,199,957.76 × 718,871.04
  4. Step 4: Simplify right side
    870,036.48x = 862,614,882,887.27
  5. Step 5: Solve for x
    x = 862,614,882,887.27/870,036.48
  6. Step 6: Final answer
    x = 991,469.79

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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.