Home / 1,353,119.85-2,027,520.77-991,615.43

Finding the Fourth Proportional to 1,353,119.85, 2,027,520.77 and 991,615.43

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Solution

The fourth proportional to 1,353,119.85, 2,027,520.77 and 991,615.43 is: 1,485,840.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,119.85 : 2,027,520.77 = 991,615.43 : x
  2. Step 2: Convert to fraction form
    1,353,119.85/2,027,520.77 = 991,615.43/x
  3. Step 3: Cross multiply
    1,353,119.85x = 2,027,520.77 × 991,615.43
  4. Step 4: Simplify right side
    1,353,119.85x = 2,010,520,885,866.04
  5. Step 5: Solve for x
    x = 2,010,520,885,866.04/1,353,119.85
  6. Step 6: Final answer
    x = 1,485,840.95

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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.