Home / 1,327,553.04-1,990,707.48-485,515.92

Finding the Fourth Proportional to 1,327,553.04, 1,990,707.48 and 485,515.92

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Solution

The fourth proportional to 1,327,553.04, 1,990,707.48 and 485,515.92 is: 728,046.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,553.04 : 1,990,707.48 = 485,515.92 : x
  2. Step 2: Convert to fraction form
    1,327,553.04/1,990,707.48 = 485,515.92/x
  3. Step 3: Cross multiply
    1,327,553.04x = 1,990,707.48 × 485,515.92
  4. Step 4: Simplify right side
    1,327,553.04x = 966,520,173,603.08
  5. Step 5: Solve for x
    x = 966,520,173,603.08/1,327,553.04
  6. Step 6: Final answer
    x = 728,046.37

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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.