Home / 1,265,912.29-1,897,556.21-791,508.25

Finding the Fourth Proportional to 1,265,912.29, 1,897,556.21 and 791,508.25

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Solution

The fourth proportional to 1,265,912.29, 1,897,556.21 and 791,508.25 is: 1,186,441.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,912.29 : 1,897,556.21 = 791,508.25 : x
  2. Step 2: Convert to fraction form
    1,265,912.29/1,897,556.21 = 791,508.25/x
  3. Step 3: Cross multiply
    1,265,912.29x = 1,897,556.21 × 791,508.25
  4. Step 4: Simplify right side
    1,265,912.29x = 1,501,931,381,608.41
  5. Step 5: Solve for x
    x = 1,501,931,381,608.41/1,265,912.29
  6. Step 6: Final answer
    x = 1,186,441.90

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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.