Home / 1,317,217.38-1,817,761.80-713,605.38

Finding the Fourth Proportional to 1,317,217.38, 1,817,761.80 and 713,605.38

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Solution

The fourth proportional to 1,317,217.38, 1,817,761.80 and 713,605.38 is: 984,776.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,217.38 : 1,817,761.80 = 713,605.38 : x
  2. Step 2: Convert to fraction form
    1,317,217.38/1,817,761.80 = 713,605.38/x
  3. Step 3: Cross multiply
    1,317,217.38x = 1,817,761.80 × 713,605.38
  4. Step 4: Simplify right side
    1,317,217.38x = 1,297,164,600,038.48
  5. Step 5: Solve for x
    x = 1,297,164,600,038.48/1,317,217.38
  6. Step 6: Final answer
    x = 984,776.41

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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.