Home / 814,254.20-1,221,381.30-693,531.80

Finding the Fourth Proportional to 814,254.20, 1,221,381.30 and 693,531.80

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Solution

The fourth proportional to 814,254.20, 1,221,381.30 and 693,531.80 is: 1,040,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,254.20 : 1,221,381.30 = 693,531.80 : x
  2. Step 2: Convert to fraction form
    814,254.20/1,221,381.30 = 693,531.80/x
  3. Step 3: Cross multiply
    814,254.20x = 1,221,381.30 × 693,531.80
  4. Step 4: Simplify right side
    814,254.20x = 847,066,771,475.34
  5. Step 5: Solve for x
    x = 847,066,771,475.34/814,254.20
  6. Step 6: Final answer
    x = 1,040,297.70

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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.