Home / 1,679,142.56-2,518,045.68-613,941.92

Finding the Fourth Proportional to 1,679,142.56, 2,518,045.68 and 613,941.92

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Solution

The fourth proportional to 1,679,142.56, 2,518,045.68 and 613,941.92 is: 920,668.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,142.56 : 2,518,045.68 = 613,941.92 : x
  2. Step 2: Convert to fraction form
    1,679,142.56/2,518,045.68 = 613,941.92/x
  3. Step 3: Cross multiply
    1,679,142.56x = 2,518,045.68 × 613,941.92
  4. Step 4: Simplify right side
    1,679,142.56x = 1,545,933,799,426.91
  5. Step 5: Solve for x
    x = 1,545,933,799,426.91/1,679,142.56
  6. Step 6: Final answer
    x = 920,668.58

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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.