Home / 1,679,857.50-2,520,143.44-542,684.92

Finding the Fourth Proportional to 1,679,857.50, 2,520,143.44 and 542,684.92

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Solution

The fourth proportional to 1,679,857.50, 2,520,143.44 and 542,684.92 is: 814,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,857.50 : 2,520,143.44 = 542,684.92 : x
  2. Step 2: Convert to fraction form
    1,679,857.50/2,520,143.44 = 542,684.92/x
  3. Step 3: Cross multiply
    1,679,857.50x = 2,520,143.44 × 542,684.92
  4. Step 4: Simplify right side
    1,679,857.50x = 1,367,643,841,124.92
  5. Step 5: Solve for x
    x = 1,367,643,841,124.92/1,679,857.50
  6. Step 6: Final answer
    x = 814,142.77

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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.