Home / 1,233,967.40-1,702,961.70-690,153.80

Finding the Fourth Proportional to 1,233,967.40, 1,702,961.70 and 690,153.80

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Solution

The fourth proportional to 1,233,967.40, 1,702,961.70 and 690,153.80 is: 952,460.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,967.40 : 1,702,961.70 = 690,153.80 : x
  2. Step 2: Convert to fraction form
    1,233,967.40/1,702,961.70 = 690,153.80/x
  3. Step 3: Cross multiply
    1,233,967.40x = 1,702,961.70 × 690,153.80
  4. Step 4: Simplify right side
    1,233,967.40x = 1,175,305,488,509.46
  5. Step 5: Solve for x
    x = 1,175,305,488,509.46/1,233,967.40
  6. Step 6: Final answer
    x = 952,460.73

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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.