Home / 839,948.18-1,260,512.78-759,641.54

Finding the Fourth Proportional to 839,948.18, 1,260,512.78 and 759,641.54

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Solution

The fourth proportional to 839,948.18, 1,260,512.78 and 759,641.54 is: 1,139,996.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,948.18 : 1,260,512.78 = 759,641.54 : x
  2. Step 2: Convert to fraction form
    839,948.18/1,260,512.78 = 759,641.54/x
  3. Step 3: Cross multiply
    839,948.18x = 1,260,512.78 × 759,641.54
  4. Step 4: Simplify right side
    839,948.18x = 957,537,859,288.11
  5. Step 5: Solve for x
    x = 957,537,859,288.11/839,948.18
  6. Step 6: Final answer
    x = 1,139,996.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.