Home / 1,420,982.38-1,962,265.26-912,570.49

Finding the Fourth Proportional to 1,420,982.38, 1,962,265.26 and 912,570.49

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Solution

The fourth proportional to 1,420,982.38, 1,962,265.26 and 912,570.49 is: 1,260,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,982.38 : 1,962,265.26 = 912,570.49 : x
  2. Step 2: Convert to fraction form
    1,420,982.38/1,962,265.26 = 912,570.49/x
  3. Step 3: Cross multiply
    1,420,982.38x = 1,962,265.26 × 912,570.49
  4. Step 4: Simplify right side
    1,420,982.38x = 1,790,705,369,828.18
  5. Step 5: Solve for x
    x = 1,790,705,369,828.18/1,420,982.38
  6. Step 6: Final answer
    x = 1,260,188.30

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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.