Home / 839,821.70-1,262,842.95-702,964.10

Finding the Fourth Proportional to 839,821.70, 1,262,842.95 and 702,964.10

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Solution

The fourth proportional to 839,821.70, 1,262,842.95 and 702,964.10 is: 1,057,049.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,821.70 : 1,262,842.95 = 702,964.10 : x
  2. Step 2: Convert to fraction form
    839,821.70/1,262,842.95 = 702,964.10/x
  3. Step 3: Cross multiply
    839,821.70x = 1,262,842.95 × 702,964.10
  4. Step 4: Simplify right side
    839,821.70x = 887,733,257,788.10
  5. Step 5: Solve for x
    x = 887,733,257,788.10/839,821.70
  6. Step 6: Final answer
    x = 1,057,049.68

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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.