Home / 1,214,428.92-1,675,938.09-670,599.25

Finding the Fourth Proportional to 1,214,428.92, 1,675,938.09 and 670,599.25

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Solution

The fourth proportional to 1,214,428.92, 1,675,938.09 and 670,599.25 is: 925,441.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,428.92 : 1,675,938.09 = 670,599.25 : x
  2. Step 2: Convert to fraction form
    1,214,428.92/1,675,938.09 = 670,599.25/x
  3. Step 3: Cross multiply
    1,214,428.92x = 1,675,938.09 × 670,599.25
  4. Step 4: Simplify right side
    1,214,428.92x = 1,123,882,833,952.49
  5. Step 5: Solve for x
    x = 1,123,882,833,952.49/1,214,428.92
  6. Step 6: Final answer
    x = 925,441.43

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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.