Home / 1,003,161.96-1,505,258.91-666,435.24

Finding the Fourth Proportional to 1,003,161.96, 1,505,258.91 and 666,435.24

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Solution

The fourth proportional to 1,003,161.96, 1,505,258.91 and 666,435.24 is: 999,995.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,161.96 : 1,505,258.91 = 666,435.24 : x
  2. Step 2: Convert to fraction form
    1,003,161.96/1,505,258.91 = 666,435.24/x
  3. Step 3: Cross multiply
    1,003,161.96x = 1,505,258.91 × 666,435.24
  4. Step 4: Simplify right side
    1,003,161.96x = 1,003,157,582,947.99
  5. Step 5: Solve for x
    x = 1,003,157,582,947.99/1,003,161.96
  6. Step 6: Final answer
    x = 999,995.64

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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.