Home / 1,342,138.50-2,013,207.74-489,274.11

Finding the Fourth Proportional to 1,342,138.50, 2,013,207.74 and 489,274.11

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Solution

The fourth proportional to 1,342,138.50, 2,013,207.74 and 489,274.11 is: 733,911.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,138.50 : 2,013,207.74 = 489,274.11 : x
  2. Step 2: Convert to fraction form
    1,342,138.50/2,013,207.74 = 489,274.11/x
  3. Step 3: Cross multiply
    1,342,138.50x = 2,013,207.74 × 489,274.11
  4. Step 4: Simplify right side
    1,342,138.50x = 985,010,425,233.61
  5. Step 5: Solve for x
    x = 985,010,425,233.61/1,342,138.50
  6. Step 6: Final answer
    x = 733,911.16

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Double scale
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Similar ratio
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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.