Home / 1,229,162.80-1,844,003.40-518,825.20

Finding the Fourth Proportional to 1,229,162.80, 1,844,003.40 and 518,825.20

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Solution

The fourth proportional to 1,229,162.80, 1,844,003.40 and 518,825.20 is: 778,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,162.80 : 1,844,003.40 = 518,825.20 : x
  2. Step 2: Convert to fraction form
    1,229,162.80/1,844,003.40 = 518,825.20/x
  3. Step 3: Cross multiply
    1,229,162.80x = 1,844,003.40 × 518,825.20
  4. Step 4: Simplify right side
    1,229,162.80x = 956,715,432,805.68
  5. Step 5: Solve for x
    x = 956,715,432,805.68/1,229,162.80
  6. Step 6: Final answer
    x = 778,347.21

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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.