Home / 1,233,843.30-1,702,692.09-689,972.85

Finding the Fourth Proportional to 1,233,843.30, 1,702,692.09 and 689,972.85

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Solution

The fourth proportional to 1,233,843.30, 1,702,692.09 and 689,972.85 is: 952,156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,843.30 : 1,702,692.09 = 689,972.85 : x
  2. Step 2: Convert to fraction form
    1,233,843.30/1,702,692.09 = 689,972.85/x
  3. Step 3: Cross multiply
    1,233,843.30x = 1,702,692.09 × 689,972.85
  4. Step 4: Simplify right side
    1,233,843.30x = 1,174,811,314,009.76
  5. Step 5: Solve for x
    x = 1,174,811,314,009.76/1,233,843.30
  6. Step 6: Final answer
    x = 952,156.01

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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.