Home / 1,098,932.80-1,648,636.02-340,759.03

Finding the Fourth Proportional to 1,098,932.80, 1,648,636.02 and 340,759.03

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Solution

The fourth proportional to 1,098,932.80, 1,648,636.02 and 340,759.03 is: 511,211.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,932.80 : 1,648,636.02 = 340,759.03 : x
  2. Step 2: Convert to fraction form
    1,098,932.80/1,648,636.02 = 340,759.03/x
  3. Step 3: Cross multiply
    1,098,932.80x = 1,648,636.02 × 340,759.03
  4. Step 4: Simplify right side
    1,098,932.80x = 561,787,610,998.26
  5. Step 5: Solve for x
    x = 561,787,610,998.26/1,098,932.80
  6. Step 6: Final answer
    x = 511,211.98

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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.