Home / 1,487,512.64-2,052,767.66-808,449.14

Finding the Fourth Proportional to 1,487,512.64, 2,052,767.66 and 808,449.14

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Solution

The fourth proportional to 1,487,512.64, 2,052,767.66 and 808,449.14 is: 1,115,659.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,512.64 : 2,052,767.66 = 808,449.14 : x
  2. Step 2: Convert to fraction form
    1,487,512.64/2,052,767.66 = 808,449.14/x
  3. Step 3: Cross multiply
    1,487,512.64x = 2,052,767.66 × 808,449.14
  4. Step 4: Simplify right side
    1,487,512.64x = 1,659,558,235,040.73
  5. Step 5: Solve for x
    x = 1,659,558,235,040.73/1,487,512.64
  6. Step 6: Final answer
    x = 1,115,659.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.