Home / 1,273,440.05-1,909,916.31-494,452.86

Finding the Fourth Proportional to 1,273,440.05, 1,909,916.31 and 494,452.86

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Solution

The fourth proportional to 1,273,440.05, 1,909,916.31 and 494,452.86 is: 741,584.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,440.05 : 1,909,916.31 = 494,452.86 : x
  2. Step 2: Convert to fraction form
    1,273,440.05/1,909,916.31 = 494,452.86/x
  3. Step 3: Cross multiply
    1,273,440.05x = 1,909,916.31 × 494,452.86
  4. Step 4: Simplify right side
    1,273,440.05x = 944,363,576,532.16
  5. Step 5: Solve for x
    x = 944,363,576,532.16/1,273,440.05
  6. Step 6: Final answer
    x = 741,584.64

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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.