Home / 1,326,600.52-1,989,900.70-329,328.52

Finding the Fourth Proportional to 1,326,600.52, 1,989,900.70 and 329,328.52

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Solution

The fourth proportional to 1,326,600.52, 1,989,900.70 and 329,328.52 is: 493,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,600.52 : 1,989,900.70 = 329,328.52 : x
  2. Step 2: Convert to fraction form
    1,326,600.52/1,989,900.70 = 329,328.52/x
  3. Step 3: Cross multiply
    1,326,600.52x = 1,989,900.70 × 329,328.52
  4. Step 4: Simplify right side
    1,326,600.52x = 655,331,052,477.96
  5. Step 5: Solve for x
    x = 655,331,052,477.96/1,326,600.52
  6. Step 6: Final answer
    x = 493,992.76

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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.