Home / 1,245,585.06-1,868,967.27-741,142.98

Finding the Fourth Proportional to 1,245,585.06, 1,868,967.27 and 741,142.98

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Solution

The fourth proportional to 1,245,585.06, 1,868,967.27 and 741,142.98 is: 1,112,065.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,585.06 : 1,868,967.27 = 741,142.98 : x
  2. Step 2: Convert to fraction form
    1,245,585.06/1,868,967.27 = 741,142.98/x
  3. Step 3: Cross multiply
    1,245,585.06x = 1,868,967.27 × 741,142.98
  4. Step 4: Simplify right side
    1,245,585.06x = 1,385,171,972,010.26
  5. Step 5: Solve for x
    x = 1,385,171,972,010.26/1,245,585.06
  6. Step 6: Final answer
    x = 1,112,065.34

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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.