Home / 1,497,076.20-2,247,023.70-787,613.40

Finding the Fourth Proportional to 1,497,076.20, 2,247,023.70 and 787,613.40

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Solution

The fourth proportional to 1,497,076.20, 2,247,023.70 and 787,613.40 is: 1,182,161.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,076.20 : 2,247,023.70 = 787,613.40 : x
  2. Step 2: Convert to fraction form
    1,497,076.20/2,247,023.70 = 787,613.40/x
  3. Step 3: Cross multiply
    1,497,076.20x = 2,247,023.70 × 787,613.40
  4. Step 4: Simplify right side
    1,497,076.20x = 1,769,785,976,237.58
  5. Step 5: Solve for x
    x = 1,769,785,976,237.58/1,497,076.20
  6. Step 6: Final answer
    x = 1,182,161.59

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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.