Home / 1,185,369.80-1,635,793.80-676,080.68

Finding the Fourth Proportional to 1,185,369.80, 1,635,793.80 and 676,080.68

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Solution

The fourth proportional to 1,185,369.80, 1,635,793.80 and 676,080.68 is: 932,981.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,369.80 : 1,635,793.80 = 676,080.68 : x
  2. Step 2: Convert to fraction form
    1,185,369.80/1,635,793.80 = 676,080.68/x
  3. Step 3: Cross multiply
    1,185,369.80x = 1,635,793.80 × 676,080.68
  4. Step 4: Simplify right side
    1,185,369.80x = 1,105,928,584,643.78
  5. Step 5: Solve for x
    x = 1,105,928,584,643.78/1,185,369.80
  6. Step 6: Final answer
    x = 932,981.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.