Home / 1,391,997.36-2,088,008.36-550,549.20

Finding the Fourth Proportional to 1,391,997.36, 2,088,008.36 and 550,549.20

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Solution

The fourth proportional to 1,391,997.36, 2,088,008.36 and 550,549.20 is: 825,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,997.36 : 2,088,008.36 = 550,549.20 : x
  2. Step 2: Convert to fraction form
    1,391,997.36/2,088,008.36 = 550,549.20/x
  3. Step 3: Cross multiply
    1,391,997.36x = 2,088,008.36 × 550,549.20
  4. Step 4: Simplify right side
    1,391,997.36x = 1,149,551,332,191.31
  5. Step 5: Solve for x
    x = 1,149,551,332,191.31/1,391,997.36
  6. Step 6: Final answer
    x = 825,828.67

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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.