Home / 857,040.33-1,180,022.52-727,706.61

Finding the Fourth Proportional to 857,040.33, 1,180,022.52 and 727,706.61

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Solution

The fourth proportional to 857,040.33, 1,180,022.52 and 727,706.61 is: 1,001,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,040.33 : 1,180,022.52 = 727,706.61 : x
  2. Step 2: Convert to fraction form
    857,040.33/1,180,022.52 = 727,706.61/x
  3. Step 3: Cross multiply
    857,040.33x = 1,180,022.52 × 727,706.61
  4. Step 4: Simplify right side
    857,040.33x = 858,710,187,752.86
  5. Step 5: Solve for x
    x = 858,710,187,752.86/857,040.33
  6. Step 6: Final answer
    x = 1,001,948.40

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1.5x scale

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.