Home / 1,431,781.83-2,147,216.04-472,058.60

Finding the Fourth Proportional to 1,431,781.83, 2,147,216.04 and 472,058.60

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Solution

The fourth proportional to 1,431,781.83, 2,147,216.04 and 472,058.60 is: 707,937.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,781.83 : 2,147,216.04 = 472,058.60 : x
  2. Step 2: Convert to fraction form
    1,431,781.83/2,147,216.04 = 472,058.60/x
  3. Step 3: Cross multiply
    1,431,781.83x = 2,147,216.04 × 472,058.60
  4. Step 4: Simplify right side
    1,431,781.83x = 1,013,611,787,003.86
  5. Step 5: Solve for x
    x = 1,013,611,787,003.86/1,431,781.83
  6. Step 6: Final answer
    x = 707,937.32

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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.