Home / 1,377,309.70-2,065,964.55-996,443.65

Finding the Fourth Proportional to 1,377,309.70, 2,065,964.55 and 996,443.65

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Solution

The fourth proportional to 1,377,309.70, 2,065,964.55 and 996,443.65 is: 1,494,665.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,309.70 : 2,065,964.55 = 996,443.65 : x
  2. Step 2: Convert to fraction form
    1,377,309.70/2,065,964.55 = 996,443.65/x
  3. Step 3: Cross multiply
    1,377,309.70x = 2,065,964.55 × 996,443.65
  4. Step 4: Simplify right side
    1,377,309.70x = 2,058,617,256,972.61
  5. Step 5: Solve for x
    x = 2,058,617,256,972.61/1,377,309.70
  6. Step 6: Final answer
    x = 1,494,665.48

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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.