Home / 1,082,787.70-1,624,181.55-988,309.30

Finding the Fourth Proportional to 1,082,787.70, 1,624,181.55 and 988,309.30

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Solution

The fourth proportional to 1,082,787.70, 1,624,181.55 and 988,309.30 is: 1,482,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,787.70 : 1,624,181.55 = 988,309.30 : x
  2. Step 2: Convert to fraction form
    1,082,787.70/1,624,181.55 = 988,309.30/x
  3. Step 3: Cross multiply
    1,082,787.70x = 1,624,181.55 × 988,309.30
  4. Step 4: Simplify right side
    1,082,787.70x = 1,605,193,730,753.42
  5. Step 5: Solve for x
    x = 1,605,193,730,753.42/1,082,787.70
  6. Step 6: Final answer
    x = 1,482,463.95

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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.