Home / 1,257,470.73-1,735,309.82-684,515.21

Finding the Fourth Proportional to 1,257,470.73, 1,735,309.82 and 684,515.21

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Solution

The fourth proportional to 1,257,470.73, 1,735,309.82 and 684,515.21 is: 944,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,470.73 : 1,735,309.82 = 684,515.21 : x
  2. Step 2: Convert to fraction form
    1,257,470.73/1,735,309.82 = 684,515.21/x
  3. Step 3: Cross multiply
    1,257,470.73x = 1,735,309.82 × 684,515.21
  4. Step 4: Simplify right side
    1,257,470.73x = 1,187,845,958,887.10
  5. Step 5: Solve for x
    x = 1,187,845,958,887.10/1,257,470.73
  6. Step 6: Final answer
    x = 944,631.10

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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.