Home / 1,307,604.87-1,960,299.23-509,442.21

Finding the Fourth Proportional to 1,307,604.87, 1,960,299.23 and 509,442.21

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Solution

The fourth proportional to 1,307,604.87, 1,960,299.23 and 509,442.21 is: 763,731.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,604.87 : 1,960,299.23 = 509,442.21 : x
  2. Step 2: Convert to fraction form
    1,307,604.87/1,960,299.23 = 509,442.21/x
  3. Step 3: Cross multiply
    1,307,604.87x = 1,960,299.23 × 509,442.21
  4. Step 4: Simplify right side
    1,307,604.87x = 998,659,169,445.29
  5. Step 5: Solve for x
    x = 998,659,169,445.29/1,307,604.87
  6. Step 6: Final answer
    x = 763,731.61

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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.