Home / 1,377,206.25-2,065,928.45-379,934.25

Finding the Fourth Proportional to 1,377,206.25, 2,065,928.45 and 379,934.25

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Solution

The fourth proportional to 1,377,206.25, 2,065,928.45 and 379,934.25 is: 569,934.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,206.25 : 2,065,928.45 = 379,934.25 : x
  2. Step 2: Convert to fraction form
    1,377,206.25/2,065,928.45 = 379,934.25/x
  3. Step 3: Cross multiply
    1,377,206.25x = 2,065,928.45 × 379,934.25
  4. Step 4: Simplify right side
    1,377,206.25x = 784,916,974,304.74
  5. Step 5: Solve for x
    x = 784,916,974,304.74/1,377,206.25
  6. Step 6: Final answer
    x = 569,934.22

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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.