Home / 1,270,563.52-1,754,198.24-787,644.76

Finding the Fourth Proportional to 1,270,563.52, 1,754,198.24 and 787,644.76

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Solution

The fourth proportional to 1,270,563.52, 1,754,198.24 and 787,644.76 is: 1,087,458.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,563.52 : 1,754,198.24 = 787,644.76 : x
  2. Step 2: Convert to fraction form
    1,270,563.52/1,754,198.24 = 787,644.76/x
  3. Step 3: Cross multiply
    1,270,563.52x = 1,754,198.24 × 787,644.76
  4. Step 4: Simplify right side
    1,270,563.52x = 1,381,685,051,737.22
  5. Step 5: Solve for x
    x = 1,381,685,051,737.22/1,270,563.52
  6. Step 6: Final answer
    x = 1,087,458.46

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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.