Home / 1,017,207.80-1,403,764.56-558,365.30

Finding the Fourth Proportional to 1,017,207.80, 1,403,764.56 and 558,365.30

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Solution

The fourth proportional to 1,017,207.80, 1,403,764.56 and 558,365.30 is: 770,553.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,207.80 : 1,403,764.56 = 558,365.30 : x
  2. Step 2: Convert to fraction form
    1,017,207.80/1,403,764.56 = 558,365.30/x
  3. Step 3: Cross multiply
    1,017,207.80x = 1,403,764.56 × 558,365.30
  4. Step 4: Simplify right side
    1,017,207.80x = 783,813,419,673.77
  5. Step 5: Solve for x
    x = 783,813,419,673.77/1,017,207.80
  6. Step 6: Final answer
    x = 770,553.88

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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.