Home / 1,074,633.08-1,611,891.27-326,620.76

Finding the Fourth Proportional to 1,074,633.08, 1,611,891.27 and 326,620.76

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Solution

The fourth proportional to 1,074,633.08, 1,611,891.27 and 326,620.76 is: 489,913.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,633.08 : 1,611,891.27 = 326,620.76 : x
  2. Step 2: Convert to fraction form
    1,074,633.08/1,611,891.27 = 326,620.76/x
  3. Step 3: Cross multiply
    1,074,633.08x = 1,611,891.27 × 326,620.76
  4. Step 4: Simplify right side
    1,074,633.08x = 526,477,151,644.77
  5. Step 5: Solve for x
    x = 526,477,151,644.77/1,074,633.08
  6. Step 6: Final answer
    x = 489,913.41

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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.