Home / 1,451,624.90-2,003,354.42-870,869.78

Finding the Fourth Proportional to 1,451,624.90, 2,003,354.42 and 870,869.78

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Solution

The fourth proportional to 1,451,624.90, 2,003,354.42 and 870,869.78 is: 1,201,867.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,624.90 : 2,003,354.42 = 870,869.78 : x
  2. Step 2: Convert to fraction form
    1,451,624.90/2,003,354.42 = 870,869.78/x
  3. Step 3: Cross multiply
    1,451,624.90x = 2,003,354.42 × 870,869.78
  4. Step 4: Simplify right side
    1,451,624.90x = 1,744,660,821,047.53
  5. Step 5: Solve for x
    x = 1,744,660,821,047.53/1,451,624.90
  6. Step 6: Final answer
    x = 1,201,867.53

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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.