Home / 1,074,630.56-1,611,887.54-326,618.24

Finding the Fourth Proportional to 1,074,630.56, 1,611,887.54 and 326,618.24

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Solution

The fourth proportional to 1,074,630.56, 1,611,887.54 and 326,618.24 is: 489,909.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,630.56 : 1,611,887.54 = 326,618.24 : x
  2. Step 2: Convert to fraction form
    1,074,630.56/1,611,887.54 = 326,618.24/x
  3. Step 3: Cross multiply
    1,074,630.56x = 1,611,887.54 × 326,618.24
  4. Step 4: Simplify right side
    1,074,630.56x = 526,471,871,392.73
  5. Step 5: Solve for x
    x = 526,471,871,392.73/1,074,630.56
  6. Step 6: Final answer
    x = 489,909.64

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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.