Home / 1,455,656.16-2,008,778.76-811,062.48

Finding the Fourth Proportional to 1,455,656.16, 2,008,778.76 and 811,062.48

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Solution

The fourth proportional to 1,455,656.16, 2,008,778.76 and 811,062.48 is: 1,119,251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,656.16 : 2,008,778.76 = 811,062.48 : x
  2. Step 2: Convert to fraction form
    1,455,656.16/2,008,778.76 = 811,062.48/x
  3. Step 3: Cross multiply
    1,455,656.16x = 2,008,778.76 × 811,062.48
  4. Step 4: Simplify right side
    1,455,656.16x = 1,629,245,082,856.92
  5. Step 5: Solve for x
    x = 1,629,245,082,856.92/1,455,656.16
  6. Step 6: Final answer
    x = 1,119,251.32

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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.