Home / 1,257,359.21-1,876,910.29-1,163,687.57

Finding the Fourth Proportional to 1,257,359.21, 1,876,910.29 and 1,163,687.57

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Solution

The fourth proportional to 1,257,359.21, 1,876,910.29 and 1,163,687.57 is: 1,737,082.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,359.21 : 1,876,910.29 = 1,163,687.57 : x
  2. Step 2: Convert to fraction form
    1,257,359.21/1,876,910.29 = 1,163,687.57/x
  3. Step 3: Cross multiply
    1,257,359.21x = 1,876,910.29 × 1,163,687.57
  4. Step 4: Simplify right side
    1,257,359.21x = 2,184,137,174,478.10
  5. Step 5: Solve for x
    x = 2,184,137,174,478.10/1,257,359.21
  6. Step 6: Final answer
    x = 1,737,082.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.