Home / 1,458,658.10-2,186,128.20-818,960.60

Finding the Fourth Proportional to 1,458,658.10, 2,186,128.20 and 818,960.60

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Solution

The fourth proportional to 1,458,658.10, 2,186,128.20 and 818,960.60 is: 1,227,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,658.10 : 2,186,128.20 = 818,960.60 : x
  2. Step 2: Convert to fraction form
    1,458,658.10/2,186,128.20 = 818,960.60/x
  3. Step 3: Cross multiply
    1,458,658.10x = 2,186,128.20 × 818,960.60
  4. Step 4: Simplify right side
    1,458,658.10x = 1,790,352,862,348.92
  5. Step 5: Solve for x
    x = 1,790,352,862,348.92/1,458,658.10
  6. Step 6: Final answer
    x = 1,227,397.20

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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.