Home / 1,394,125.70-2,086,522.95-974,221.70

Finding the Fourth Proportional to 1,394,125.70, 2,086,522.95 and 974,221.70

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Solution

The fourth proportional to 1,394,125.70, 2,086,522.95 and 974,221.70 is: 1,458,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,125.70 : 2,086,522.95 = 974,221.70 : x
  2. Step 2: Convert to fraction form
    1,394,125.70/2,086,522.95 = 974,221.70/x
  3. Step 3: Cross multiply
    1,394,125.70x = 2,086,522.95 × 974,221.70
  4. Step 4: Simplify right side
    1,394,125.70x = 2,032,735,935,438.02
  5. Step 5: Solve for x
    x = 2,032,735,935,438.02/1,394,125.70
  6. Step 6: Final answer
    x = 1,458,072.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.