Home / 884,081.80-1,326,122.70-821,096.20

Finding the Fourth Proportional to 884,081.80, 1,326,122.70 and 821,096.20

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Solution

The fourth proportional to 884,081.80, 1,326,122.70 and 821,096.20 is: 1,231,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,081.80 : 1,326,122.70 = 821,096.20 : x
  2. Step 2: Convert to fraction form
    884,081.80/1,326,122.70 = 821,096.20/x
  3. Step 3: Cross multiply
    884,081.80x = 1,326,122.70 × 821,096.20
  4. Step 4: Simplify right side
    884,081.80x = 1,088,874,309,703.74
  5. Step 5: Solve for x
    x = 1,088,874,309,703.74/884,081.80
  6. Step 6: Final answer
    x = 1,231,644.30

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Double scale
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Similar ratio
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1.5x scale

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.