Home / 1,153,119.71-1,729,685.71-756,273.55

Finding the Fourth Proportional to 1,153,119.71, 1,729,685.71 and 756,273.55

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Solution

The fourth proportional to 1,153,119.71, 1,729,685.71 and 756,273.55 is: 1,134,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,119.71 : 1,729,685.71 = 756,273.55 : x
  2. Step 2: Convert to fraction form
    1,153,119.71/1,729,685.71 = 756,273.55/x
  3. Step 3: Cross multiply
    1,153,119.71x = 1,729,685.71 × 756,273.55
  4. Step 4: Simplify right side
    1,153,119.71x = 1,308,115,543,637.54
  5. Step 5: Solve for x
    x = 1,308,115,543,637.54/1,153,119.71
  6. Step 6: Final answer
    x = 1,134,414.35

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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.