Home / 1,201,658.88-1,801,841.76-481,639.20

Finding the Fourth Proportional to 1,201,658.88, 1,801,841.76 and 481,639.20

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Solution

The fourth proportional to 1,201,658.88, 1,801,841.76 and 481,639.20 is: 722,199.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,658.88 : 1,801,841.76 = 481,639.20 : x
  2. Step 2: Convert to fraction form
    1,201,658.88/1,801,841.76 = 481,639.20/x
  3. Step 3: Cross multiply
    1,201,658.88x = 1,801,841.76 × 481,639.20
  4. Step 4: Simplify right side
    1,201,658.88x = 867,837,623,812.99
  5. Step 5: Solve for x
    x = 867,837,623,812.99/1,201,658.88
  6. Step 6: Final answer
    x = 722,199.65

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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.