Home / 917,076.30-1,375,614.45-819,098.70

Finding the Fourth Proportional to 917,076.30, 1,375,614.45 and 819,098.70

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Solution

The fourth proportional to 917,076.30, 1,375,614.45 and 819,098.70 is: 1,228,648.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,076.30 : 1,375,614.45 = 819,098.70 : x
  2. Step 2: Convert to fraction form
    917,076.30/1,375,614.45 = 819,098.70/x
  3. Step 3: Cross multiply
    917,076.30x = 1,375,614.45 × 819,098.70
  4. Step 4: Simplify right side
    917,076.30x = 1,126,764,007,696.21
  5. Step 5: Solve for x
    x = 1,126,764,007,696.21/917,076.30
  6. Step 6: Final answer
    x = 1,228,648.05

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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.