Home / 1,446,781.65-2,169,729.20-1,000,371.21

Finding the Fourth Proportional to 1,446,781.65, 2,169,729.20 and 1,000,371.21

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Solution

The fourth proportional to 1,446,781.65, 2,169,729.20 and 1,000,371.21 is: 1,500,250.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,781.65 : 2,169,729.20 = 1,000,371.21 : x
  2. Step 2: Convert to fraction form
    1,446,781.65/2,169,729.20 = 1,000,371.21/x
  3. Step 3: Cross multiply
    1,446,781.65x = 2,169,729.20 × 1,000,371.21
  4. Step 4: Simplify right side
    1,446,781.65x = 2,170,534,620,174.48
  5. Step 5: Solve for x
    x = 2,170,534,620,174.48/1,446,781.65
  6. Step 6: Final answer
    x = 1,500,250.31

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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.