Home / 870,121.24-1,200,988.04-594,590.64

Finding the Fourth Proportional to 870,121.24, 1,200,988.04 and 594,590.64

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Solution

The fourth proportional to 870,121.24, 1,200,988.04 and 594,590.64 is: 820,685.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,121.24 : 1,200,988.04 = 594,590.64 : x
  2. Step 2: Convert to fraction form
    870,121.24/1,200,988.04 = 594,590.64/x
  3. Step 3: Cross multiply
    870,121.24x = 1,200,988.04 × 594,590.64
  4. Step 4: Simplify right side
    870,121.24x = 714,096,247,335.95
  5. Step 5: Solve for x
    x = 714,096,247,335.95/870,121.24
  6. Step 6: Final answer
    x = 820,685.92

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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.