Home / 1,228,857.44-1,695,989.27-745,344.55

Finding the Fourth Proportional to 1,228,857.44, 1,695,989.27 and 745,344.55

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Solution

The fourth proportional to 1,228,857.44, 1,695,989.27 and 745,344.55 is: 1,028,676.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,857.44 : 1,695,989.27 = 745,344.55 : x
  2. Step 2: Convert to fraction form
    1,228,857.44/1,695,989.27 = 745,344.55/x
  3. Step 3: Cross multiply
    1,228,857.44x = 1,695,989.27 × 745,344.55
  4. Step 4: Simplify right side
    1,228,857.44x = 1,264,096,356,876.37
  5. Step 5: Solve for x
    x = 1,264,096,356,876.37/1,228,857.44
  6. Step 6: Final answer
    x = 1,028,676.16

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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.