Home / 1,235,197.82-1,851,512.16-477,559.67

Finding the Fourth Proportional to 1,235,197.82, 1,851,512.16 and 477,559.67

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Solution

The fourth proportional to 1,235,197.82, 1,851,512.16 and 477,559.67 is: 715,842.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,197.82 : 1,851,512.16 = 477,559.67 : x
  2. Step 2: Convert to fraction form
    1,235,197.82/1,851,512.16 = 477,559.67/x
  3. Step 3: Cross multiply
    1,235,197.82x = 1,851,512.16 × 477,559.67
  4. Step 4: Simplify right side
    1,235,197.82x = 884,207,536,130.59
  5. Step 5: Solve for x
    x = 884,207,536,130.59/1,235,197.82
  6. Step 6: Final answer
    x = 715,842.86

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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.