Home / 1,201,256.75-1,800,629.82-401,880.71

Finding the Fourth Proportional to 1,201,256.75, 1,800,629.82 and 401,880.71

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Solution

The fourth proportional to 1,201,256.75, 1,800,629.82 and 401,880.71 is: 602,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,256.75 : 1,800,629.82 = 401,880.71 : x
  2. Step 2: Convert to fraction form
    1,201,256.75/1,800,629.82 = 401,880.71/x
  3. Step 3: Cross multiply
    1,201,256.75x = 1,800,629.82 × 401,880.71
  4. Step 4: Simplify right side
    1,201,256.75x = 723,638,381,505.62
  5. Step 5: Solve for x
    x = 723,638,381,505.62/1,201,256.75
  6. Step 6: Final answer
    x = 602,401.10

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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.