Home / 1,040,920.76-1,561,381.68-292,966.76

Finding the Fourth Proportional to 1,040,920.76, 1,561,381.68 and 292,966.76

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Solution

The fourth proportional to 1,040,920.76, 1,561,381.68 and 292,966.76 is: 439,450.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,920.76 : 1,561,381.68 = 292,966.76 : x
  2. Step 2: Convert to fraction form
    1,040,920.76/1,561,381.68 = 292,966.76/x
  3. Step 3: Cross multiply
    1,040,920.76x = 1,561,381.68 × 292,966.76
  4. Step 4: Simplify right side
    1,040,920.76x = 457,432,931,912.96
  5. Step 5: Solve for x
    x = 457,432,931,912.96/1,040,920.76
  6. Step 6: Final answer
    x = 439,450.29

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1.5x scale

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.