Home / 1,285,717.52-1,928,846.00-486,981.38

Finding the Fourth Proportional to 1,285,717.52, 1,928,846.00 and 486,981.38

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Solution

The fourth proportional to 1,285,717.52, 1,928,846.00 and 486,981.38 is: 730,574.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,717.52 : 1,928,846.00 = 486,981.38 : x
  2. Step 2: Convert to fraction form
    1,285,717.52/1,928,846.00 = 486,981.38/x
  3. Step 3: Cross multiply
    1,285,717.52x = 1,928,846.00 × 486,981.38
  4. Step 4: Simplify right side
    1,285,717.52x = 939,312,084,452.57
  5. Step 5: Solve for x
    x = 939,312,084,452.57/1,285,717.52
  6. Step 6: Final answer
    x = 730,574.23

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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.