Home / 1,107,167.20-1,660,750.80-359,213.20

Finding the Fourth Proportional to 1,107,167.20, 1,660,750.80 and 359,213.20

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Solution

The fourth proportional to 1,107,167.20, 1,660,750.80 and 359,213.20 is: 538,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,167.20 : 1,660,750.80 = 359,213.20 : x
  2. Step 2: Convert to fraction form
    1,107,167.20/1,660,750.80 = 359,213.20/x
  3. Step 3: Cross multiply
    1,107,167.20x = 1,660,750.80 × 359,213.20
  4. Step 4: Simplify right side
    1,107,167.20x = 596,563,609,270.56
  5. Step 5: Solve for x
    x = 596,563,609,270.56/1,107,167.20
  6. Step 6: Final answer
    x = 538,819.80

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1.5x scale

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.