Home / 817,704.67-1,226,561.61-728,162.38

Finding the Fourth Proportional to 817,704.67, 1,226,561.61 and 728,162.38

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Solution

The fourth proportional to 817,704.67, 1,226,561.61 and 728,162.38 is: 1,092,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,704.67 : 1,226,561.61 = 728,162.38 : x
  2. Step 2: Convert to fraction form
    817,704.67/1,226,561.61 = 728,162.38/x
  3. Step 3: Cross multiply
    817,704.67x = 1,226,561.61 × 728,162.38
  4. Step 4: Simplify right side
    817,704.67x = 893,136,026,819.79
  5. Step 5: Solve for x
    x = 893,136,026,819.79/817,704.67
  6. Step 6: Final answer
    x = 1,092,247.68

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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.