Home / 839,262.21-1,259,143.87-789,132.93

Finding the Fourth Proportional to 839,262.21, 1,259,143.87 and 789,132.93

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Solution

The fourth proportional to 839,262.21, 1,259,143.87 and 789,132.93 is: 1,183,934.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,262.21 : 1,259,143.87 = 789,132.93 : x
  2. Step 2: Convert to fraction form
    839,262.21/1,259,143.87 = 789,132.93/x
  3. Step 3: Cross multiply
    839,262.21x = 1,259,143.87 × 789,132.93
  4. Step 4: Simplify right side
    839,262.21x = 993,631,891,424.64
  5. Step 5: Solve for x
    x = 993,631,891,424.64/839,262.21
  6. Step 6: Final answer
    x = 1,183,934.98

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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.