Home / 1,233,983.09-1,851,015.65-424,359.54

Finding the Fourth Proportional to 1,233,983.09, 1,851,015.65 and 424,359.54

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Solution

The fourth proportional to 1,233,983.09, 1,851,015.65 and 424,359.54 is: 636,553.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,983.09 : 1,851,015.65 = 424,359.54 : x
  2. Step 2: Convert to fraction form
    1,233,983.09/1,851,015.65 = 424,359.54/x
  3. Step 3: Cross multiply
    1,233,983.09x = 1,851,015.65 × 424,359.54
  4. Step 4: Simplify right side
    1,233,983.09x = 785,496,147,645.00
  5. Step 5: Solve for x
    x = 785,496,147,645.00/1,233,983.09
  6. Step 6: Final answer
    x = 636,553.41

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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.