Home / 1,028,165.40-1,418,868.04-575,456.40

Finding the Fourth Proportional to 1,028,165.40, 1,418,868.04 and 575,456.40

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Solution

The fourth proportional to 1,028,165.40, 1,418,868.04 and 575,456.40 is: 794,129.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,165.40 : 1,418,868.04 = 575,456.40 : x
  2. Step 2: Convert to fraction form
    1,028,165.40/1,418,868.04 = 575,456.40/x
  3. Step 3: Cross multiply
    1,028,165.40x = 1,418,868.04 × 575,456.40
  4. Step 4: Simplify right side
    1,028,165.40x = 816,496,694,373.46
  5. Step 5: Solve for x
    x = 816,496,694,373.46/1,028,165.40
  6. Step 6: Final answer
    x = 794,129.71

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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.