Home / 1,283,264.46-1,770,865.08-739,401.30

Finding the Fourth Proportional to 1,283,264.46, 1,770,865.08 and 739,401.30

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Solution

The fourth proportional to 1,283,264.46, 1,770,865.08 and 739,401.30 is: 1,020,350.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,264.46 : 1,770,865.08 = 739,401.30 : x
  2. Step 2: Convert to fraction form
    1,283,264.46/1,770,865.08 = 739,401.30/x
  3. Step 3: Cross multiply
    1,283,264.46x = 1,770,865.08 × 739,401.30
  4. Step 4: Simplify right side
    1,283,264.46x = 1,309,379,942,276.60
  5. Step 5: Solve for x
    x = 1,309,379,942,276.60/1,283,264.46
  6. Step 6: Final answer
    x = 1,020,350.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.