Home / 1,988,082.40-2,982,123.60-492,174.40

Finding the Fourth Proportional to 1,988,082.40, 2,982,123.60 and 492,174.40

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Solution

The fourth proportional to 1,988,082.40, 2,982,123.60 and 492,174.40 is: 738,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,082.40 : 2,982,123.60 = 492,174.40 : x
  2. Step 2: Convert to fraction form
    1,988,082.40/2,982,123.60 = 492,174.40/x
  3. Step 3: Cross multiply
    1,988,082.40x = 2,982,123.60 × 492,174.40
  4. Step 4: Simplify right side
    1,988,082.40x = 1,467,724,893,555.84
  5. Step 5: Solve for x
    x = 1,467,724,893,555.84/1,988,082.40
  6. Step 6: Final answer
    x = 738,261.60

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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.