Home / 1,330,216.40-1,995,324.60-489,371.60

Finding the Fourth Proportional to 1,330,216.40, 1,995,324.60 and 489,371.60

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Solution

The fourth proportional to 1,330,216.40, 1,995,324.60 and 489,371.60 is: 734,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,216.40 : 1,995,324.60 = 489,371.60 : x
  2. Step 2: Convert to fraction form
    1,330,216.40/1,995,324.60 = 489,371.60/x
  3. Step 3: Cross multiply
    1,330,216.40x = 1,995,324.60 × 489,371.60
  4. Step 4: Simplify right side
    1,330,216.40x = 976,455,192,021.36
  5. Step 5: Solve for x
    x = 976,455,192,021.36/1,330,216.40
  6. Step 6: Final answer
    x = 734,057.40

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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.