Home / 1,451,721.44-2,003,487.76-870,966.40

Finding the Fourth Proportional to 1,451,721.44, 2,003,487.76 and 870,966.40

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Solution

The fourth proportional to 1,451,721.44, 2,003,487.76 and 870,966.40 is: 1,202,000.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,721.44 : 2,003,487.76 = 870,966.40 : x
  2. Step 2: Convert to fraction form
    1,451,721.44/2,003,487.76 = 870,966.40/x
  3. Step 3: Cross multiply
    1,451,721.44x = 2,003,487.76 × 870,966.40
  4. Step 4: Simplify right side
    1,451,721.44x = 1,744,970,521,771.26
  5. Step 5: Solve for x
    x = 1,744,970,521,771.26/1,451,721.44
  6. Step 6: Final answer
    x = 1,202,000.93

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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.