Home / 1,384,454.70-2,072,534.85-823,200.30

Finding the Fourth Proportional to 1,384,454.70, 2,072,534.85 and 823,200.30

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Solution

The fourth proportional to 1,384,454.70, 2,072,534.85 and 823,200.30 is: 1,232,334.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,454.70 : 2,072,534.85 = 823,200.30 : x
  2. Step 2: Convert to fraction form
    1,384,454.70/2,072,534.85 = 823,200.30/x
  3. Step 3: Cross multiply
    1,384,454.70x = 2,072,534.85 × 823,200.30
  4. Step 4: Simplify right side
    1,384,454.70x = 1,706,111,310,280.46
  5. Step 5: Solve for x
    x = 1,706,111,310,280.46/1,384,454.70
  6. Step 6: Final answer
    x = 1,232,334.51

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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.