Home / 1,089,718.13-1,634,560.79-490,255.97

Finding the Fourth Proportional to 1,089,718.13, 1,634,560.79 and 490,255.97

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Solution

The fourth proportional to 1,089,718.13, 1,634,560.79 and 490,255.97 is: 735,376.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,718.13 : 1,634,560.79 = 490,255.97 : x
  2. Step 2: Convert to fraction form
    1,089,718.13/1,634,560.79 = 490,255.97/x
  3. Step 3: Cross multiply
    1,089,718.13x = 1,634,560.79 × 490,255.97
  4. Step 4: Simplify right side
    1,089,718.13x = 801,353,175,001.33
  5. Step 5: Solve for x
    x = 801,353,175,001.33/1,089,718.13
  6. Step 6: Final answer
    x = 735,376.56

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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.