Home / 1,117,638.54-1,676,441.42-276,190.30

Finding the Fourth Proportional to 1,117,638.54, 1,676,441.42 and 276,190.30

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Solution

The fourth proportional to 1,117,638.54, 1,676,441.42 and 276,190.30 is: 414,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,638.54 : 1,676,441.42 = 276,190.30 : x
  2. Step 2: Convert to fraction form
    1,117,638.54/1,676,441.42 = 276,190.30/x
  3. Step 3: Cross multiply
    1,117,638.54x = 1,676,441.42 × 276,190.30
  4. Step 4: Simplify right side
    1,117,638.54x = 463,016,858,722.23
  5. Step 5: Solve for x
    x = 463,016,858,722.23/1,117,638.54
  6. Step 6: Final answer
    x = 414,281.40

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Double scale
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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.