Home / 1,028,217.80-1,418,939.42-575,508.80

Finding the Fourth Proportional to 1,028,217.80, 1,418,939.42 and 575,508.80

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Solution

The fourth proportional to 1,028,217.80, 1,418,939.42 and 575,508.80 is: 794,201.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,217.80 : 1,418,939.42 = 575,508.80 : x
  2. Step 2: Convert to fraction form
    1,028,217.80/1,418,939.42 = 575,508.80/x
  3. Step 3: Cross multiply
    1,028,217.80x = 1,418,939.42 × 575,508.80
  4. Step 4: Simplify right side
    1,028,217.80x = 816,612,112,904.66
  5. Step 5: Solve for x
    x = 816,612,112,904.66/1,028,217.80
  6. Step 6: Final answer
    x = 794,201.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.