Home / 1,695,072.80-2,538,672.60-1,159,695.20

Finding the Fourth Proportional to 1,695,072.80, 2,538,672.60 and 1,159,695.20

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Solution

The fourth proportional to 1,695,072.80, 2,538,672.60 and 1,159,695.20 is: 1,736,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,072.80 : 2,538,672.60 = 1,159,695.20 : x
  2. Step 2: Convert to fraction form
    1,695,072.80/2,538,672.60 = 1,159,695.20/x
  3. Step 3: Cross multiply
    1,695,072.80x = 2,538,672.60 × 1,159,695.20
  4. Step 4: Simplify right side
    1,695,072.80x = 2,944,086,428,591.52
  5. Step 5: Solve for x
    x = 2,944,086,428,591.52/1,695,072.80
  6. Step 6: Final answer
    x = 1,736,849.55

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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.