Home / 1,250,964.68-1,726,330.20-678,004.70

Finding the Fourth Proportional to 1,250,964.68, 1,726,330.20 and 678,004.70

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Solution

The fourth proportional to 1,250,964.68, 1,726,330.20 and 678,004.70 is: 935,645.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,964.68 : 1,726,330.20 = 678,004.70 : x
  2. Step 2: Convert to fraction form
    1,250,964.68/1,726,330.20 = 678,004.70/x
  3. Step 3: Cross multiply
    1,250,964.68x = 1,726,330.20 × 678,004.70
  4. Step 4: Simplify right side
    1,250,964.68x = 1,170,459,989,351.94
  5. Step 5: Solve for x
    x = 1,170,459,989,351.94/1,250,964.68
  6. Step 6: Final answer
    x = 935,645.91

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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.