Home / 945,407.28-1,305,143.82-730,063.92

Finding the Fourth Proportional to 945,407.28, 1,305,143.82 and 730,063.92

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Solution

The fourth proportional to 945,407.28, 1,305,143.82 and 730,063.92 is: 1,007,860.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,407.28 : 1,305,143.82 = 730,063.92 : x
  2. Step 2: Convert to fraction form
    945,407.28/1,305,143.82 = 730,063.92/x
  3. Step 3: Cross multiply
    945,407.28x = 1,305,143.82 × 730,063.92
  4. Step 4: Simplify right side
    945,407.28x = 952,838,413,392.98
  5. Step 5: Solve for x
    x = 952,838,413,392.98/945,407.28
  6. Step 6: Final answer
    x = 1,007,860.25

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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.