Home / 1,863,141.70-2,794,712.55-665,103.10

Finding the Fourth Proportional to 1,863,141.70, 2,794,712.55 and 665,103.10

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Solution

The fourth proportional to 1,863,141.70, 2,794,712.55 and 665,103.10 is: 997,654.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,141.70 : 2,794,712.55 = 665,103.10 : x
  2. Step 2: Convert to fraction form
    1,863,141.70/2,794,712.55 = 665,103.10/x
  3. Step 3: Cross multiply
    1,863,141.70x = 2,794,712.55 × 665,103.10
  4. Step 4: Simplify right side
    1,863,141.70x = 1,858,771,980,613.90
  5. Step 5: Solve for x
    x = 1,858,771,980,613.90/1,863,141.70
  6. Step 6: Final answer
    x = 997,654.65

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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.