Home / 1,182,139.20-1,772,056.80-676,180.80

Finding the Fourth Proportional to 1,182,139.20, 1,772,056.80 and 676,180.80

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Solution

The fourth proportional to 1,182,139.20, 1,772,056.80 and 676,180.80 is: 1,013,612.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,139.20 : 1,772,056.80 = 676,180.80 : x
  2. Step 2: Convert to fraction form
    1,182,139.20/1,772,056.80 = 676,180.80/x
  3. Step 3: Cross multiply
    1,182,139.20x = 1,772,056.80 × 676,180.80
  4. Step 4: Simplify right side
    1,182,139.20x = 1,198,230,784,669.44
  5. Step 5: Solve for x
    x = 1,198,230,784,669.44/1,182,139.20
  6. Step 6: Final answer
    x = 1,013,612.26

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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.