Home / 1,143,867.98-1,715,425.83-385,505.08

Finding the Fourth Proportional to 1,143,867.98, 1,715,425.83 and 385,505.08

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Solution

The fourth proportional to 1,143,867.98, 1,715,425.83 and 385,505.08 is: 578,130.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,867.98 : 1,715,425.83 = 385,505.08 : x
  2. Step 2: Convert to fraction form
    1,143,867.98/1,715,425.83 = 385,505.08/x
  3. Step 3: Cross multiply
    1,143,867.98x = 1,715,425.83 × 385,505.08
  4. Step 4: Simplify right side
    1,143,867.98x = 661,305,367,539.65
  5. Step 5: Solve for x
    x = 661,305,367,539.65/1,143,867.98
  6. Step 6: Final answer
    x = 578,130.85

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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.