Home / 1,325,366.40-1,988,049.60-905,462.40

Finding the Fourth Proportional to 1,325,366.40, 1,988,049.60 and 905,462.40

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Solution

The fourth proportional to 1,325,366.40, 1,988,049.60 and 905,462.40 is: 1,358,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,366.40 : 1,988,049.60 = 905,462.40 : x
  2. Step 2: Convert to fraction form
    1,325,366.40/1,988,049.60 = 905,462.40/x
  3. Step 3: Cross multiply
    1,325,366.40x = 1,988,049.60 × 905,462.40
  4. Step 4: Simplify right side
    1,325,366.40x = 1,800,104,162,135.04
  5. Step 5: Solve for x
    x = 1,800,104,162,135.04/1,325,366.40
  6. Step 6: Final answer
    x = 1,358,193.60

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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.