Home / 1,089,751.39-1,634,610.64-490,289.22

Finding the Fourth Proportional to 1,089,751.39, 1,634,610.64 and 490,289.22

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Solution

The fourth proportional to 1,089,751.39, 1,634,610.64 and 490,289.22 is: 735,426.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,751.39 : 1,634,610.64 = 490,289.22 : x
  2. Step 2: Convert to fraction form
    1,089,751.39/1,634,610.64 = 490,289.22/x
  3. Step 3: Cross multiply
    1,089,751.39x = 1,634,610.64 × 490,289.22
  4. Step 4: Simplify right side
    1,089,751.39x = 801,431,965,064.80
  5. Step 5: Solve for x
    x = 801,431,965,064.80/1,089,751.39
  6. Step 6: Final answer
    x = 735,426.42

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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.