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Finding the Fourth Proportional to 1,224,470.90, 1,836,706.35 and 885,923.30

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Solution

The fourth proportional to 1,224,470.90, 1,836,706.35 and 885,923.30 is: 1,328,884.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,470.90 : 1,836,706.35 = 885,923.30 : x
  2. Step 2: Convert to fraction form
    1,224,470.90/1,836,706.35 = 885,923.30/x
  3. Step 3: Cross multiply
    1,224,470.90x = 1,836,706.35 × 885,923.30
  4. Step 4: Simplify right side
    1,224,470.90x = 1,627,180,950,722.96
  5. Step 5: Solve for x
    x = 1,627,180,950,722.96/1,224,470.90
  6. Step 6: Final answer
    x = 1,328,884.95

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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.