Home / 1,518,824.87-2,277,899.47-439,101.61

Finding the Fourth Proportional to 1,518,824.87, 2,277,899.47 and 439,101.61

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Solution

The fourth proportional to 1,518,824.87, 2,277,899.47 and 439,101.61 is: 658,554.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,824.87 : 2,277,899.47 = 439,101.61 : x
  2. Step 2: Convert to fraction form
    1,518,824.87/2,277,899.47 = 439,101.61/x
  3. Step 3: Cross multiply
    1,518,824.87x = 2,277,899.47 × 439,101.61
  4. Step 4: Simplify right side
    1,518,824.87x = 1,000,229,317,079.33
  5. Step 5: Solve for x
    x = 1,000,229,317,079.33/1,518,824.87
  6. Step 6: Final answer
    x = 658,554.74

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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.