Home / 1,002,420.84-1,383,334.68-543,530.88

Finding the Fourth Proportional to 1,002,420.84, 1,383,334.68 and 543,530.88

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Solution

The fourth proportional to 1,002,420.84, 1,383,334.68 and 543,530.88 is: 750,069.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,420.84 : 1,383,334.68 = 543,530.88 : x
  2. Step 2: Convert to fraction form
    1,002,420.84/1,383,334.68 = 543,530.88/x
  3. Step 3: Cross multiply
    1,002,420.84x = 1,383,334.68 × 543,530.88
  4. Step 4: Simplify right side
    1,002,420.84x = 751,885,115,954.92
  5. Step 5: Solve for x
    x = 751,885,115,954.92/1,002,420.84
  6. Step 6: Final answer
    x = 750,069.32

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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.