Home / 1,008,114.35-1,512,171.53-931,131.95

Finding the Fourth Proportional to 1,008,114.35, 1,512,171.53 and 931,131.95

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Solution

The fourth proportional to 1,008,114.35, 1,512,171.53 and 931,131.95 is: 1,396,697.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,114.35 : 1,512,171.53 = 931,131.95 : x
  2. Step 2: Convert to fraction form
    1,008,114.35/1,512,171.53 = 931,131.95/x
  3. Step 3: Cross multiply
    1,008,114.35x = 1,512,171.53 × 931,131.95
  4. Step 4: Simplify right side
    1,008,114.35x = 1,408,031,220,807.72
  5. Step 5: Solve for x
    x = 1,408,031,220,807.72/1,008,114.35
  6. Step 6: Final answer
    x = 1,396,697.93

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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.