Home / 1,274,686.26-1,912,082.16-376,128

Finding the Fourth Proportional to 1,274,686.26, 1,912,082.16 and 376,128

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Solution

The fourth proportional to 1,274,686.26, 1,912,082.16 and 376,128 is: 564,207.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,686.26 : 1,912,082.16 = 376,128 : x
  2. Step 2: Convert to fraction form
    1,274,686.26/1,912,082.16 = 376,128/x
  3. Step 3: Cross multiply
    1,274,686.26x = 1,912,082.16 × 376,128
  4. Step 4: Simplify right side
    1,274,686.26x = 719,187,638,676.48
  5. Step 5: Solve for x
    x = 719,187,638,676.48/1,274,686.26
  6. Step 6: Final answer
    x = 564,207.57

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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.