Home / 1,283,156.55-1,770,727.54-702,379.26

Finding the Fourth Proportional to 1,283,156.55, 1,770,727.54 and 702,379.26

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Solution

The fourth proportional to 1,283,156.55, 1,770,727.54 and 702,379.26 is: 969,267.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,156.55 : 1,770,727.54 = 702,379.26 : x
  2. Step 2: Convert to fraction form
    1,283,156.55/1,770,727.54 = 702,379.26/x
  3. Step 3: Cross multiply
    1,283,156.55x = 1,770,727.54 × 702,379.26
  4. Step 4: Simplify right side
    1,283,156.55x = 1,243,722,299,206.82
  5. Step 5: Solve for x
    x = 1,243,722,299,206.82/1,283,156.55
  6. Step 6: Final answer
    x = 969,267.78

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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.