Home / 1,401,081.56-2,101,917.54-454,378.46

Finding the Fourth Proportional to 1,401,081.56, 2,101,917.54 and 454,378.46

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Solution

The fourth proportional to 1,401,081.56, 2,101,917.54 and 454,378.46 is: 681,663.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,081.56 : 2,101,917.54 = 454,378.46 : x
  2. Step 2: Convert to fraction form
    1,401,081.56/2,101,917.54 = 454,378.46/x
  3. Step 3: Cross multiply
    1,401,081.56x = 2,101,917.54 × 454,378.46
  4. Step 4: Simplify right side
    1,401,081.56x = 955,066,054,872.19
  5. Step 5: Solve for x
    x = 955,066,054,872.19/1,401,081.56
  6. Step 6: Final answer
    x = 681,663.42

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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.