Home / 1,100,523.99-1,518,078.06-691,978.35

Finding the Fourth Proportional to 1,100,523.99, 1,518,078.06 and 691,978.35

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Solution

The fourth proportional to 1,100,523.99, 1,518,078.06 and 691,978.35 is: 954,524.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,523.99 : 1,518,078.06 = 691,978.35 : x
  2. Step 2: Convert to fraction form
    1,100,523.99/1,518,078.06 = 691,978.35/x
  3. Step 3: Cross multiply
    1,100,523.99x = 1,518,078.06 × 691,978.35
  4. Step 4: Simplify right side
    1,100,523.99x = 1,050,477,151,130.00
  5. Step 5: Solve for x
    x = 1,050,477,151,130.00/1,100,523.99
  6. Step 6: Final answer
    x = 954,524.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.