Home / 1,277,850.78-1,916,573.04-424,851.48

Finding the Fourth Proportional to 1,277,850.78, 1,916,573.04 and 424,851.48

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Solution

The fourth proportional to 1,277,850.78, 1,916,573.04 and 424,851.48 is: 637,209.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,850.78 : 1,916,573.04 = 424,851.48 : x
  2. Step 2: Convert to fraction form
    1,277,850.78/1,916,573.04 = 424,851.48/x
  3. Step 3: Cross multiply
    1,277,850.78x = 1,916,573.04 × 424,851.48
  4. Step 4: Simplify right side
    1,277,850.78x = 814,258,892,572.10
  5. Step 5: Solve for x
    x = 814,258,892,572.10/1,277,850.78
  6. Step 6: Final answer
    x = 637,209.68

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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.