Home / 1,813,612.05-2,720,750.22-748,072.85

Finding the Fourth Proportional to 1,813,612.05, 2,720,750.22 and 748,072.85

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Solution

The fourth proportional to 1,813,612.05, 2,720,750.22 and 748,072.85 is: 1,122,246.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,612.05 : 2,720,750.22 = 748,072.85 : x
  2. Step 2: Convert to fraction form
    1,813,612.05/2,720,750.22 = 748,072.85/x
  3. Step 3: Cross multiply
    1,813,612.05x = 2,720,750.22 × 748,072.85
  4. Step 4: Simplify right side
    1,813,612.05x = 2,035,319,371,213.53
  5. Step 5: Solve for x
    x = 2,035,319,371,213.53/1,813,612.05
  6. Step 6: Final answer
    x = 1,122,246.28

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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.