Home / 1,079,266.41-1,618,617.60-320,903.69

Finding the Fourth Proportional to 1,079,266.41, 1,618,617.60 and 320,903.69

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Solution

The fourth proportional to 1,079,266.41, 1,618,617.60 and 320,903.69 is: 481,271.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,266.41 : 1,618,617.60 = 320,903.69 : x
  2. Step 2: Convert to fraction form
    1,079,266.41/1,618,617.60 = 320,903.69/x
  3. Step 3: Cross multiply
    1,079,266.41x = 1,618,617.60 × 320,903.69
  4. Step 4: Simplify right side
    1,079,266.41x = 519,420,352,445.86
  5. Step 5: Solve for x
    x = 519,420,352,445.86/1,079,266.41
  6. Step 6: Final answer
    x = 481,271.67

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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.