Home / 1,312,658.72-1,811,458.26-731,874.95

Finding the Fourth Proportional to 1,312,658.72, 1,811,458.26 and 731,874.95

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Solution

The fourth proportional to 1,312,658.72, 1,811,458.26 and 731,874.95 is: 1,009,981.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,658.72 : 1,811,458.26 = 731,874.95 : x
  2. Step 2: Convert to fraction form
    1,312,658.72/1,811,458.26 = 731,874.95/x
  3. Step 3: Cross multiply
    1,312,658.72x = 1,811,458.26 × 731,874.95
  4. Step 4: Simplify right side
    1,312,658.72x = 1,325,760,914,407.30
  5. Step 5: Solve for x
    x = 1,325,760,914,407.30/1,312,658.72
  6. Step 6: Final answer
    x = 1,009,981.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.