Home / 1,266,484.92-1,747,763.27-685,720.92

Finding the Fourth Proportional to 1,266,484.92, 1,747,763.27 and 685,720.92

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Solution

The fourth proportional to 1,266,484.92, 1,747,763.27 and 685,720.92 is: 946,302.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,484.92 : 1,747,763.27 = 685,720.92 : x
  2. Step 2: Convert to fraction form
    1,266,484.92/1,747,763.27 = 685,720.92/x
  3. Step 3: Cross multiply
    1,266,484.92x = 1,747,763.27 × 685,720.92
  4. Step 4: Simplify right side
    1,266,484.92x = 1,198,477,834,018.00
  5. Step 5: Solve for x
    x = 1,198,477,834,018.00/1,266,484.92
  6. Step 6: Final answer
    x = 946,302.49

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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.