Home / 1,262,087.60-1,741,673.99-689,123.66

Finding the Fourth Proportional to 1,262,087.60, 1,741,673.99 and 689,123.66

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Solution

The fourth proportional to 1,262,087.60, 1,741,673.99 and 689,123.66 is: 950,986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,087.60 : 1,741,673.99 = 689,123.66 : x
  2. Step 2: Convert to fraction form
    1,262,087.60/1,741,673.99 = 689,123.66/x
  3. Step 3: Cross multiply
    1,262,087.60x = 1,741,673.99 × 689,123.66
  4. Step 4: Simplify right side
    1,262,087.60x = 1,200,228,760,592.60
  5. Step 5: Solve for x
    x = 1,200,228,760,592.60/1,262,087.60
  6. Step 6: Final answer
    x = 950,986.89

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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.