Home / 1,221,441.80-1,832,162.70-918,323.60

Finding the Fourth Proportional to 1,221,441.80, 1,832,162.70 and 918,323.60

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Solution

The fourth proportional to 1,221,441.80, 1,832,162.70 and 918,323.60 is: 1,377,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,441.80 : 1,832,162.70 = 918,323.60 : x
  2. Step 2: Convert to fraction form
    1,221,441.80/1,832,162.70 = 918,323.60/x
  3. Step 3: Cross multiply
    1,221,441.80x = 1,832,162.70 × 918,323.60
  4. Step 4: Simplify right side
    1,221,441.80x = 1,682,518,246,449.72
  5. Step 5: Solve for x
    x = 1,682,518,246,449.72/1,221,441.80
  6. Step 6: Final answer
    x = 1,377,485.40

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Similar ratio
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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.