Home / 1,377,314.70-2,065,972.05-1,223,787.30

Finding the Fourth Proportional to 1,377,314.70, 2,065,972.05 and 1,223,787.30

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Solution

The fourth proportional to 1,377,314.70, 2,065,972.05 and 1,223,787.30 is: 1,835,680.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,314.70 : 2,065,972.05 = 1,223,787.30 : x
  2. Step 2: Convert to fraction form
    1,377,314.70/2,065,972.05 = 1,223,787.30/x
  3. Step 3: Cross multiply
    1,377,314.70x = 2,065,972.05 × 1,223,787.30
  4. Step 4: Simplify right side
    1,377,314.70x = 2,528,310,356,944.97
  5. Step 5: Solve for x
    x = 2,528,310,356,944.97/1,377,314.70
  6. Step 6: Final answer
    x = 1,835,680.95

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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.