Home / 1,084,670.72-1,626,902.40-663,729.92

Finding the Fourth Proportional to 1,084,670.72, 1,626,902.40 and 663,729.92

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Solution

The fourth proportional to 1,084,670.72, 1,626,902.40 and 663,729.92 is: 995,531.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,670.72 : 1,626,902.40 = 663,729.92 : x
  2. Step 2: Convert to fraction form
    1,084,670.72/1,626,902.40 = 663,729.92/x
  3. Step 3: Cross multiply
    1,084,670.72x = 1,626,902.40 × 663,729.92
  4. Step 4: Simplify right side
    1,084,670.72x = 1,079,823,799,799.81
  5. Step 5: Solve for x
    x = 1,079,823,799,799.81/1,084,670.72
  6. Step 6: Final answer
    x = 995,531.44

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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.