Home / 932,717.70-1,399,076.55-911,981.70

Finding the Fourth Proportional to 932,717.70, 1,399,076.55 and 911,981.70

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Solution

The fourth proportional to 932,717.70, 1,399,076.55 and 911,981.70 is: 1,367,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,717.70 : 1,399,076.55 = 911,981.70 : x
  2. Step 2: Convert to fraction form
    932,717.70/1,399,076.55 = 911,981.70/x
  3. Step 3: Cross multiply
    932,717.70x = 1,399,076.55 × 911,981.70
  4. Step 4: Simplify right side
    932,717.70x = 1,275,932,210,499.14
  5. Step 5: Solve for x
    x = 1,275,932,210,499.14/932,717.70
  6. Step 6: Final answer
    x = 1,367,972.55

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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.