Home / 1,374,937.20-2,062,405.80-1,281,625.20

Finding the Fourth Proportional to 1,374,937.20, 2,062,405.80 and 1,281,625.20

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Solution

The fourth proportional to 1,374,937.20, 2,062,405.80 and 1,281,625.20 is: 1,922,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,937.20 : 2,062,405.80 = 1,281,625.20 : x
  2. Step 2: Convert to fraction form
    1,374,937.20/2,062,405.80 = 1,281,625.20/x
  3. Step 3: Cross multiply
    1,374,937.20x = 2,062,405.80 × 1,281,625.20
  4. Step 4: Simplify right side
    1,374,937.20x = 2,643,231,245,906.16
  5. Step 5: Solve for x
    x = 2,643,231,245,906.16/1,374,937.20
  6. Step 6: Final answer
    x = 1,922,437.80

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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.