Home / 1,273,742.72-1,757,778.87-692,969.13

Finding the Fourth Proportional to 1,273,742.72, 1,757,778.87 and 692,969.13

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Solution

The fourth proportional to 1,273,742.72, 1,757,778.87 and 692,969.13 is: 956,304.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,742.72 : 1,757,778.87 = 692,969.13 : x
  2. Step 2: Convert to fraction form
    1,273,742.72/1,757,778.87 = 692,969.13/x
  3. Step 3: Cross multiply
    1,273,742.72x = 1,757,778.87 × 692,969.13
  4. Step 4: Simplify right side
    1,273,742.72x = 1,218,086,492,976.97
  5. Step 5: Solve for x
    x = 1,218,086,492,976.97/1,273,742.72
  6. Step 6: Final answer
    x = 956,304.97

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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.