Home / 847,113.84-1,263,198.06-729,540.72

Finding the Fourth Proportional to 847,113.84, 1,263,198.06 and 729,540.72

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Solution

The fourth proportional to 847,113.84, 1,263,198.06 and 729,540.72 is: 1,087,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,113.84 : 1,263,198.06 = 729,540.72 : x
  2. Step 2: Convert to fraction form
    847,113.84/1,263,198.06 = 729,540.72/x
  3. Step 3: Cross multiply
    847,113.84x = 1,263,198.06 × 729,540.72
  4. Step 4: Simplify right side
    847,113.84x = 921,554,422,195.00
  5. Step 5: Solve for x
    x = 921,554,422,195.00/847,113.84
  6. Step 6: Final answer
    x = 1,087,875.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.