Home / 1,215,693.60-1,823,540.40-374,503.20

Finding the Fourth Proportional to 1,215,693.60, 1,823,540.40 and 374,503.20

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Solution

The fourth proportional to 1,215,693.60, 1,823,540.40 and 374,503.20 is: 561,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,693.60 : 1,823,540.40 = 374,503.20 : x
  2. Step 2: Convert to fraction form
    1,215,693.60/1,823,540.40 = 374,503.20/x
  3. Step 3: Cross multiply
    1,215,693.60x = 1,823,540.40 × 374,503.20
  4. Step 4: Simplify right side
    1,215,693.60x = 682,921,715,129.28
  5. Step 5: Solve for x
    x = 682,921,715,129.28/1,215,693.60
  6. Step 6: Final answer
    x = 561,754.80

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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.