Home / 1,153,498.80-1,729,729.80-443,290.80

Finding the Fourth Proportional to 1,153,498.80, 1,729,729.80 and 443,290.80

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Solution

The fourth proportional to 1,153,498.80, 1,729,729.80 and 443,290.80 is: 664,736.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,498.80 : 1,729,729.80 = 443,290.80 : x
  2. Step 2: Convert to fraction form
    1,153,498.80/1,729,729.80 = 443,290.80/x
  3. Step 3: Cross multiply
    1,153,498.80x = 1,729,729.80 × 443,290.80
  4. Step 4: Simplify right side
    1,153,498.80x = 766,773,306,825.84
  5. Step 5: Solve for x
    x = 766,773,306,825.84/1,153,498.80
  6. Step 6: Final answer
    x = 664,736.98

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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.