Home / 918,341.20-1,374,790.20-682,728.40

Finding the Fourth Proportional to 918,341.20, 1,374,790.20 and 682,728.40

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Solution

The fourth proportional to 918,341.20, 1,374,790.20 and 682,728.40 is: 1,022,069.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,341.20 : 1,374,790.20 = 682,728.40 : x
  2. Step 2: Convert to fraction form
    918,341.20/1,374,790.20 = 682,728.40/x
  3. Step 3: Cross multiply
    918,341.20x = 1,374,790.20 × 682,728.40
  4. Step 4: Simplify right side
    918,341.20x = 938,608,313,581.68
  5. Step 5: Solve for x
    x = 938,608,313,581.68/918,341.20
  6. Step 6: Final answer
    x = 1,022,069.26

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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.