Home / 1,345,854.60-2,018,781.72-399,217.14

Finding the Fourth Proportional to 1,345,854.60, 2,018,781.72 and 399,217.14

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Solution

The fourth proportional to 1,345,854.60, 2,018,781.72 and 399,217.14 is: 598,825.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,854.60 : 2,018,781.72 = 399,217.14 : x
  2. Step 2: Convert to fraction form
    1,345,854.60/2,018,781.72 = 399,217.14/x
  3. Step 3: Cross multiply
    1,345,854.60x = 2,018,781.72 × 399,217.14
  4. Step 4: Simplify right side
    1,345,854.60x = 805,932,264,542.68
  5. Step 5: Solve for x
    x = 805,932,264,542.68/1,345,854.60
  6. Step 6: Final answer
    x = 598,825.66

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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.