Home / 1,214,344.32-1,675,821.29-670,514.49

Finding the Fourth Proportional to 1,214,344.32, 1,675,821.29 and 670,514.49

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Solution

The fourth proportional to 1,214,344.32, 1,675,821.29 and 670,514.49 is: 925,324.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,344.32 : 1,675,821.29 = 670,514.49 : x
  2. Step 2: Convert to fraction form
    1,214,344.32/1,675,821.29 = 670,514.49/x
  3. Step 3: Cross multiply
    1,214,344.32x = 1,675,821.29 × 670,514.49
  4. Step 4: Simplify right side
    1,214,344.32x = 1,123,662,454,242.92
  5. Step 5: Solve for x
    x = 1,123,662,454,242.92/1,214,344.32
  6. Step 6: Final answer
    x = 925,324.42

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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.