Home / 1,123,830.72-1,685,465.46-440,856.38

Finding the Fourth Proportional to 1,123,830.72, 1,685,465.46 and 440,856.38

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Solution

The fourth proportional to 1,123,830.72, 1,685,465.46 and 440,856.38 is: 661,174.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,830.72 : 1,685,465.46 = 440,856.38 : x
  2. Step 2: Convert to fraction form
    1,123,830.72/1,685,465.46 = 440,856.38/x
  3. Step 3: Cross multiply
    1,123,830.72x = 1,685,465.46 × 440,856.38
  4. Step 4: Simplify right side
    1,123,830.72x = 743,048,192,883.31
  5. Step 5: Solve for x
    x = 743,048,192,883.31/1,123,830.72
  6. Step 6: Final answer
    x = 661,174.48

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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.