Home / 1,324,459.44-1,828,105.52-815,588.28

Finding the Fourth Proportional to 1,324,459.44, 1,828,105.52 and 815,588.28

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Solution

The fourth proportional to 1,324,459.44, 1,828,105.52 and 815,588.28 is: 1,125,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,459.44 : 1,828,105.52 = 815,588.28 : x
  2. Step 2: Convert to fraction form
    1,324,459.44/1,828,105.52 = 815,588.28/x
  3. Step 3: Cross multiply
    1,324,459.44x = 1,828,105.52 × 815,588.28
  4. Step 4: Simplify right side
    1,324,459.44x = 1,490,981,436,715.31
  5. Step 5: Solve for x
    x = 1,490,981,436,715.31/1,324,459.44
  6. Step 6: Final answer
    x = 1,125,728.27

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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.