Home / 1,329,815.70-1,993,411.35-655,344.90

Finding the Fourth Proportional to 1,329,815.70, 1,993,411.35 and 655,344.90

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Solution

The fourth proportional to 1,329,815.70, 1,993,411.35 and 655,344.90 is: 982,370.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,815.70 : 1,993,411.35 = 655,344.90 : x
  2. Step 2: Convert to fraction form
    1,329,815.70/1,993,411.35 = 655,344.90/x
  3. Step 3: Cross multiply
    1,329,815.70x = 1,993,411.35 × 655,344.90
  4. Step 4: Simplify right side
    1,329,815.70x = 1,306,371,961,824.62
  5. Step 5: Solve for x
    x = 1,306,371,961,824.62/1,329,815.70
  6. Step 6: Final answer
    x = 982,370.69

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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.