Home / 1,002,872.37-1,383,955.62-543,985.77

Finding the Fourth Proportional to 1,002,872.37, 1,383,955.62 and 543,985.77

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Solution

The fourth proportional to 1,002,872.37, 1,383,955.62 and 543,985.77 is: 750,695.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,872.37 : 1,383,955.62 = 543,985.77 : x
  2. Step 2: Convert to fraction form
    1,002,872.37/1,383,955.62 = 543,985.77/x
  3. Step 3: Cross multiply
    1,002,872.37x = 1,383,955.62 × 543,985.77
  4. Step 4: Simplify right side
    1,002,872.37x = 752,852,163,591.53
  5. Step 5: Solve for x
    x = 752,852,163,591.53/1,002,872.37
  6. Step 6: Final answer
    x = 750,695.89

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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.