Home / 1,340,696.88-1,849,638.24-767,430.72

Finding the Fourth Proportional to 1,340,696.88, 1,849,638.24 and 767,430.72

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Solution

The fourth proportional to 1,340,696.88, 1,849,638.24 and 767,430.72 is: 1,058,754.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,696.88 : 1,849,638.24 = 767,430.72 : x
  2. Step 2: Convert to fraction form
    1,340,696.88/1,849,638.24 = 767,430.72/x
  3. Step 3: Cross multiply
    1,340,696.88x = 1,849,638.24 × 767,430.72
  4. Step 4: Simplify right side
    1,340,696.88x = 1,419,469,206,262.73
  5. Step 5: Solve for x
    x = 1,419,469,206,262.73/1,340,696.88
  6. Step 6: Final answer
    x = 1,058,754.76

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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.