Home / 936,437.85-1,404,120.24-287,845.16

Finding the Fourth Proportional to 936,437.85, 1,404,120.24 and 287,845.16

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Solution

The fourth proportional to 936,437.85, 1,404,120.24 and 287,845.16 is: 431,602.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,437.85 : 1,404,120.24 = 287,845.16 : x
  2. Step 2: Convert to fraction form
    936,437.85/1,404,120.24 = 287,845.16/x
  3. Step 3: Cross multiply
    936,437.85x = 1,404,120.24 × 287,845.16
  4. Step 4: Simplify right side
    936,437.85x = 404,169,208,121.44
  5. Step 5: Solve for x
    x = 404,169,208,121.44/936,437.85
  6. Step 6: Final answer
    x = 431,602.81

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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.