Home / 1,451,604.84-2,002,994.91-831,313.55

Finding the Fourth Proportional to 1,451,604.84, 2,002,994.91 and 831,313.55

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Solution

The fourth proportional to 1,451,604.84, 2,002,994.91 and 831,313.55 is: 1,147,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,604.84 : 2,002,994.91 = 831,313.55 : x
  2. Step 2: Convert to fraction form
    1,451,604.84/2,002,994.91 = 831,313.55/x
  3. Step 3: Cross multiply
    1,451,604.84x = 2,002,994.91 × 831,313.55
  4. Step 4: Simplify right side
    1,451,604.84x = 1,665,116,814,271.52
  5. Step 5: Solve for x
    x = 1,665,116,814,271.52/1,451,604.84
  6. Step 6: Final answer
    x = 1,147,086.85

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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.