Home / 1,214,287.38-1,675,718.82-670,424.22

Finding the Fourth Proportional to 1,214,287.38, 1,675,718.82 and 670,424.22

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Solution

The fourth proportional to 1,214,287.38, 1,675,718.82 and 670,424.22 is: 925,186.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,287.38 : 1,675,718.82 = 670,424.22 : x
  2. Step 2: Convert to fraction form
    1,214,287.38/1,675,718.82 = 670,424.22/x
  3. Step 3: Cross multiply
    1,214,287.38x = 1,675,718.82 × 670,424.22
  4. Step 4: Simplify right side
    1,214,287.38x = 1,123,442,482,837.82
  5. Step 5: Solve for x
    x = 1,123,442,482,837.82/1,214,287.38
  6. Step 6: Final answer
    x = 925,186.66

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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.