Home / 839,819.70-1,262,839.95-702,962.10

Finding the Fourth Proportional to 839,819.70, 1,262,839.95 and 702,962.10

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Solution

The fourth proportional to 839,819.70, 1,262,839.95 and 702,962.10 is: 1,057,046.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,819.70 : 1,262,839.95 = 702,962.10 : x
  2. Step 2: Convert to fraction form
    839,819.70/1,262,839.95 = 702,962.10/x
  3. Step 3: Cross multiply
    839,819.70x = 1,262,839.95 × 702,962.10
  4. Step 4: Simplify right side
    839,819.70x = 887,728,623,215.90
  5. Step 5: Solve for x
    x = 887,728,623,215.90/839,819.70
  6. Step 6: Final answer
    x = 1,057,046.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.