Home / 867,680.40-1,301,520.60-849,965.70

Finding the Fourth Proportional to 867,680.40, 1,301,520.60 and 849,965.70

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Solution

The fourth proportional to 867,680.40, 1,301,520.60 and 849,965.70 is: 1,274,948.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,680.40 : 1,301,520.60 = 849,965.70 : x
  2. Step 2: Convert to fraction form
    867,680.40/1,301,520.60 = 849,965.70/x
  3. Step 3: Cross multiply
    867,680.40x = 1,301,520.60 × 849,965.70
  4. Step 4: Simplify right side
    867,680.40x = 1,106,247,867,843.42
  5. Step 5: Solve for x
    x = 1,106,247,867,843.42/867,680.40
  6. Step 6: Final answer
    x = 1,274,948.55

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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.