Home / 1,003,802.10-1,505,703.15-936,879.90

Finding the Fourth Proportional to 1,003,802.10, 1,505,703.15 and 936,879.90

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Solution

The fourth proportional to 1,003,802.10, 1,505,703.15 and 936,879.90 is: 1,405,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,802.10 : 1,505,703.15 = 936,879.90 : x
  2. Step 2: Convert to fraction form
    1,003,802.10/1,505,703.15 = 936,879.90/x
  3. Step 3: Cross multiply
    1,003,802.10x = 1,505,703.15 × 936,879.90
  4. Step 4: Simplify right side
    1,003,802.10x = 1,410,663,016,601.69
  5. Step 5: Solve for x
    x = 1,410,663,016,601.69/1,003,802.10
  6. Step 6: Final answer
    x = 1,405,319.85

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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.