Home / 1,312,166.73-1,810,808.34-731,373.78

Finding the Fourth Proportional to 1,312,166.73, 1,810,808.34 and 731,373.78

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Solution

The fourth proportional to 1,312,166.73, 1,810,808.34 and 731,373.78 is: 1,009,305.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,166.73 : 1,810,808.34 = 731,373.78 : x
  2. Step 2: Convert to fraction form
    1,312,166.73/1,810,808.34 = 731,373.78/x
  3. Step 3: Cross multiply
    1,312,166.73x = 1,810,808.34 × 731,373.78
  4. Step 4: Simplify right side
    1,312,166.73x = 1,324,377,740,481.33
  5. Step 5: Solve for x
    x = 1,324,377,740,481.33/1,312,166.73
  6. Step 6: Final answer
    x = 1,009,305.99

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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.