Home / 1,313,072.46-1,969,780.95-514,250.21

Finding the Fourth Proportional to 1,313,072.46, 1,969,780.95 and 514,250.21

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Solution

The fourth proportional to 1,313,072.46, 1,969,780.95 and 514,250.21 is: 771,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,072.46 : 1,969,780.95 = 514,250.21 : x
  2. Step 2: Convert to fraction form
    1,313,072.46/1,969,780.95 = 514,250.21/x
  3. Step 3: Cross multiply
    1,313,072.46x = 1,969,780.95 × 514,250.21
  4. Step 4: Simplify right side
    1,313,072.46x = 1,012,960,271,815.69
  5. Step 5: Solve for x
    x = 1,012,960,271,815.69/1,313,072.46
  6. Step 6: Final answer
    x = 771,442.78

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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.