Home / 1,074,964.07-1,612,679.39-326,990.63

Finding the Fourth Proportional to 1,074,964.07, 1,612,679.39 and 326,990.63

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Solution

The fourth proportional to 1,074,964.07, 1,612,679.39 and 326,990.63 is: 490,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,964.07 : 1,612,679.39 = 326,990.63 : x
  2. Step 2: Convert to fraction form
    1,074,964.07/1,612,679.39 = 326,990.63/x
  3. Step 3: Cross multiply
    1,074,964.07x = 1,612,679.39 × 326,990.63
  4. Step 4: Simplify right side
    1,074,964.07x = 527,331,040,025.77
  5. Step 5: Solve for x
    x = 527,331,040,025.77/1,074,964.07
  6. Step 6: Final answer
    x = 490,556.90

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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.