Home / 1,377,209.76-2,065,933.70-379,937.76

Finding the Fourth Proportional to 1,377,209.76, 2,065,933.70 and 379,937.76

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Solution

The fourth proportional to 1,377,209.76, 2,065,933.70 and 379,937.76 is: 569,939.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,209.76 : 2,065,933.70 = 379,937.76 : x
  2. Step 2: Convert to fraction form
    1,377,209.76/2,065,933.70 = 379,937.76/x
  3. Step 3: Cross multiply
    1,377,209.76x = 2,065,933.70 × 379,937.76
  4. Step 4: Simplify right side
    1,377,209.76x = 784,926,222,286.51
  5. Step 5: Solve for x
    x = 784,926,222,286.51/1,377,209.76
  6. Step 6: Final answer
    x = 569,939.49

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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.