Home / 1,257,660.87-1,735,603.16-684,732.48

Finding the Fourth Proportional to 1,257,660.87, 1,735,603.16 and 684,732.48

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Solution

The fourth proportional to 1,257,660.87, 1,735,603.16 and 684,732.48 is: 944,947.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,660.87 : 1,735,603.16 = 684,732.48 : x
  2. Step 2: Convert to fraction form
    1,257,660.87/1,735,603.16 = 684,732.48/x
  3. Step 3: Cross multiply
    1,257,660.87x = 1,735,603.16 × 684,732.48
  4. Step 4: Simplify right side
    1,257,660.87x = 1,188,423,856,042.64
  5. Step 5: Solve for x
    x = 1,188,423,856,042.64/1,257,660.87
  6. Step 6: Final answer
    x = 944,947.79

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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.