Home / 1,449,505.95-2,173,515.18-766,761.30

Finding the Fourth Proportional to 1,449,505.95, 2,173,515.18 and 766,761.30

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Solution

The fourth proportional to 1,449,505.95, 2,173,515.18 and 766,761.30 is: 1,149,748.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,505.95 : 2,173,515.18 = 766,761.30 : x
  2. Step 2: Convert to fraction form
    1,449,505.95/2,173,515.18 = 766,761.30/x
  3. Step 3: Cross multiply
    1,449,505.95x = 2,173,515.18 × 766,761.30
  4. Step 4: Simplify right side
    1,449,505.95x = 1,666,567,324,986.53
  5. Step 5: Solve for x
    x = 1,666,567,324,986.53/1,449,505.95
  6. Step 6: Final answer
    x = 1,149,748.52

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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.