Home / 1,285,689.97-1,774,268.33-741,938.59

Finding the Fourth Proportional to 1,285,689.97, 1,774,268.33 and 741,938.59

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Solution

The fourth proportional to 1,285,689.97, 1,774,268.33 and 741,938.59 is: 1,023,884.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,689.97 : 1,774,268.33 = 741,938.59 : x
  2. Step 2: Convert to fraction form
    1,285,689.97/1,774,268.33 = 741,938.59/x
  3. Step 3: Cross multiply
    1,285,689.97x = 1,774,268.33 × 741,938.59
  4. Step 4: Simplify right side
    1,285,689.97x = 1,316,398,139,332.16
  5. Step 5: Solve for x
    x = 1,316,398,139,332.16/1,285,689.97
  6. Step 6: Final answer
    x = 1,023,884.58

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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.