Home / 2,278,129.80-3,417,235.20-680,712.60

Finding the Fourth Proportional to 2,278,129.80, 3,417,235.20 and 680,712.60

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Solution

The fourth proportional to 2,278,129.80, 3,417,235.20 and 680,712.60 is: 1,021,081.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,129.80 : 3,417,235.20 = 680,712.60 : x
  2. Step 2: Convert to fraction form
    2,278,129.80/3,417,235.20 = 680,712.60/x
  3. Step 3: Cross multiply
    2,278,129.80x = 3,417,235.20 × 680,712.60
  4. Step 4: Simplify right side
    2,278,129.80x = 2,326,155,057,803.52
  5. Step 5: Solve for x
    x = 2,326,155,057,803.52/2,278,129.80
  6. Step 6: Final answer
    x = 1,021,081.00

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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.