Home / 1,329,016.20-1,993,815.90-655,420.20

Finding the Fourth Proportional to 1,329,016.20, 1,993,815.90 and 655,420.20

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Solution

The fourth proportional to 1,329,016.20, 1,993,815.90 and 655,420.20 is: 983,274.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,016.20 : 1,993,815.90 = 655,420.20 : x
  2. Step 2: Convert to fraction form
    1,329,016.20/1,993,815.90 = 655,420.20/x
  3. Step 3: Cross multiply
    1,329,016.20x = 1,993,815.90 × 655,420.20
  4. Step 4: Simplify right side
    1,329,016.20x = 1,306,787,215,941.18
  5. Step 5: Solve for x
    x = 1,306,787,215,941.18/1,329,016.20
  6. Step 6: Final answer
    x = 983,274.11

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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.