Home / 1,098,983.80-1,648,712.46-340,810.12

Finding the Fourth Proportional to 1,098,983.80, 1,648,712.46 and 340,810.12

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Solution

The fourth proportional to 1,098,983.80, 1,648,712.46 and 340,810.12 is: 511,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,983.80 : 1,648,712.46 = 340,810.12 : x
  2. Step 2: Convert to fraction form
    1,098,983.80/1,648,712.46 = 340,810.12/x
  3. Step 3: Cross multiply
    1,098,983.80x = 1,648,712.46 × 340,810.12
  4. Step 4: Simplify right side
    1,098,983.80x = 561,897,891,338.10
  5. Step 5: Solve for x
    x = 561,897,891,338.10/1,098,983.80
  6. Step 6: Final answer
    x = 511,288.60

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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.