Home / 1,168,420.20-1,752,630.30-662,785.80

Finding the Fourth Proportional to 1,168,420.20, 1,752,630.30 and 662,785.80

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Solution

The fourth proportional to 1,168,420.20, 1,752,630.30 and 662,785.80 is: 994,178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,420.20 : 1,752,630.30 = 662,785.80 : x
  2. Step 2: Convert to fraction form
    1,168,420.20/1,752,630.30 = 662,785.80/x
  3. Step 3: Cross multiply
    1,168,420.20x = 1,752,630.30 × 662,785.80
  4. Step 4: Simplify right side
    1,168,420.20x = 1,161,618,475,489.74
  5. Step 5: Solve for x
    x = 1,161,618,475,489.74/1,168,420.20
  6. Step 6: Final answer
    x = 994,178.70

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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.