Home / 1,687,161.78-2,530,742.67-740,540.70

Finding the Fourth Proportional to 1,687,161.78, 2,530,742.67 and 740,540.70

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Solution

The fourth proportional to 1,687,161.78, 2,530,742.67 and 740,540.70 is: 1,110,811.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,161.78 : 2,530,742.67 = 740,540.70 : x
  2. Step 2: Convert to fraction form
    1,687,161.78/2,530,742.67 = 740,540.70/x
  3. Step 3: Cross multiply
    1,687,161.78x = 2,530,742.67 × 740,540.70
  4. Step 4: Simplify right side
    1,687,161.78x = 1,874,117,948,361.67
  5. Step 5: Solve for x
    x = 1,874,117,948,361.67/1,687,161.78
  6. Step 6: Final answer
    x = 1,110,811.05

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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.