Home / 1,679,813.64-2,520,223.20-542,754.54

Finding the Fourth Proportional to 1,679,813.64, 2,520,223.20 and 542,754.54

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Solution

The fourth proportional to 1,679,813.64, 2,520,223.20 and 542,754.54 is: 814,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,813.64 : 2,520,223.20 = 542,754.54 : x
  2. Step 2: Convert to fraction form
    1,679,813.64/2,520,223.20 = 542,754.54/x
  3. Step 3: Cross multiply
    1,679,813.64x = 2,520,223.20 × 542,754.54
  4. Step 4: Simplify right side
    1,679,813.64x = 1,367,862,583,613.33
  5. Step 5: Solve for x
    x = 1,367,862,583,613.33/1,679,813.64
  6. Step 6: Final answer
    x = 814,294.25

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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.