Home / 1,190,431.72-1,785,610.14-291,876.04

Finding the Fourth Proportional to 1,190,431.72, 1,785,610.14 and 291,876.04

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Solution

The fourth proportional to 1,190,431.72, 1,785,610.14 and 291,876.04 is: 437,804.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,431.72 : 1,785,610.14 = 291,876.04 : x
  2. Step 2: Convert to fraction form
    1,190,431.72/1,785,610.14 = 291,876.04/x
  3. Step 3: Cross multiply
    1,190,431.72x = 1,785,610.14 × 291,876.04
  4. Step 4: Simplify right side
    1,190,431.72x = 521,176,816,647.05
  5. Step 5: Solve for x
    x = 521,176,816,647.05/1,190,431.72
  6. Step 6: Final answer
    x = 437,804.88

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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.