Home / 1,045.67-1,449.92-1,010.98

Finding the Fourth Proportional to 1,045.67, 1,449.92 and 1,010.98

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Solution

The fourth proportional to 1,045.67, 1,449.92 and 1,010.98 is: 1,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.67 : 1,449.92 = 1,010.98 : x
  2. Step 2: Convert to fraction form
    1,045.67/1,449.92 = 1,010.98/x
  3. Step 3: Cross multiply
    1,045.67x = 1,449.92 × 1,010.98
  4. Step 4: Simplify right side
    1,045.67x = 1,465,840.12
  5. Step 5: Solve for x
    x = 1,465,840.12/1,045.67
  6. Step 6: Final answer
    x = 1,401.82

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.