Home / 1,277,829.03-1,916,540.35-424,829.79

Finding the Fourth Proportional to 1,277,829.03, 1,916,540.35 and 424,829.79

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Solution

The fourth proportional to 1,277,829.03, 1,916,540.35 and 424,829.79 is: 637,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,829.03 : 1,916,540.35 = 424,829.79 : x
  2. Step 2: Convert to fraction form
    1,277,829.03/1,916,540.35 = 424,829.79/x
  3. Step 3: Cross multiply
    1,277,829.03x = 1,916,540.35 × 424,829.79
  4. Step 4: Simplify right side
    1,277,829.03x = 814,203,434,417.03
  5. Step 5: Solve for x
    x = 814,203,434,417.03/1,277,829.03
  6. Step 6: Final answer
    x = 637,177.13

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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.