Home / 1,262,083.28-1,741,668.03-689,119.35

Finding the Fourth Proportional to 1,262,083.28, 1,741,668.03 and 689,119.35

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Solution

The fourth proportional to 1,262,083.28, 1,741,668.03 and 689,119.35 is: 950,980.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,083.28 : 1,741,668.03 = 689,119.35 : x
  2. Step 2: Convert to fraction form
    1,262,083.28/1,741,668.03 = 689,119.35/x
  3. Step 3: Cross multiply
    1,262,083.28x = 1,741,668.03 × 689,119.35
  4. Step 4: Simplify right side
    1,262,083.28x = 1,200,217,143,333.58
  5. Step 5: Solve for x
    x = 1,200,217,143,333.58/1,262,083.28
  6. Step 6: Final answer
    x = 950,980.94

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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.