Home / 1,154,378.88-1,593,013.44-645,085.44

Finding the Fourth Proportional to 1,154,378.88, 1,593,013.44 and 645,085.44

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Solution

The fourth proportional to 1,154,378.88, 1,593,013.44 and 645,085.44 is: 890,201.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,378.88 : 1,593,013.44 = 645,085.44 : x
  2. Step 2: Convert to fraction form
    1,154,378.88/1,593,013.44 = 645,085.44/x
  3. Step 3: Cross multiply
    1,154,378.88x = 1,593,013.44 × 645,085.44
  4. Step 4: Simplify right side
    1,154,378.88x = 1,027,629,775,868.31
  5. Step 5: Solve for x
    x = 1,027,629,775,868.31/1,154,378.88
  6. Step 6: Final answer
    x = 890,201.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.