Home / 1,153,156.98-1,729,741.59-756,310.80

Finding the Fourth Proportional to 1,153,156.98, 1,729,741.59 and 756,310.80

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Solution

The fourth proportional to 1,153,156.98, 1,729,741.59 and 756,310.80 is: 1,134,470.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,156.98 : 1,729,741.59 = 756,310.80 : x
  2. Step 2: Convert to fraction form
    1,153,156.98/1,729,741.59 = 756,310.80/x
  3. Step 3: Cross multiply
    1,153,156.98x = 1,729,741.59 × 756,310.80
  4. Step 4: Simplify right side
    1,153,156.98x = 1,308,222,245,726.17
  5. Step 5: Solve for x
    x = 1,308,222,245,726.17/1,153,156.98
  6. Step 6: Final answer
    x = 1,134,470.21

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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.