Home / 1,017,137.22-1,403,667.18-558,294.72

Finding the Fourth Proportional to 1,017,137.22, 1,403,667.18 and 558,294.72

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Solution

The fourth proportional to 1,017,137.22, 1,403,667.18 and 558,294.72 is: 770,456.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,137.22 : 1,403,667.18 = 558,294.72 : x
  2. Step 2: Convert to fraction form
    1,017,137.22/1,403,667.18 = 558,294.72/x
  3. Step 3: Cross multiply
    1,017,137.22x = 1,403,667.18 × 558,294.72
  4. Step 4: Simplify right side
    1,017,137.22x = 783,659,975,231.29
  5. Step 5: Solve for x
    x = 783,659,975,231.29/1,017,137.22
  6. Step 6: Final answer
    x = 770,456.49

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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.