Home / 1,377,220.56-2,065,949.88-379,948.56

Finding the Fourth Proportional to 1,377,220.56, 2,065,949.88 and 379,948.56

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Solution

The fourth proportional to 1,377,220.56, 2,065,949.88 and 379,948.56 is: 569,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,220.56 : 2,065,949.88 = 379,948.56 : x
  2. Step 2: Convert to fraction form
    1,377,220.56/2,065,949.88 = 379,948.56/x
  3. Step 3: Cross multiply
    1,377,220.56x = 2,065,949.88 × 379,948.56
  4. Step 4: Simplify right side
    1,377,220.56x = 784,954,681,938.17
  5. Step 5: Solve for x
    x = 784,954,681,938.17/1,377,220.56
  6. Step 6: Final answer
    x = 569,955.68

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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.