Home / 1,455,628.82-2,008,741.20-811,035.23

Finding the Fourth Proportional to 1,455,628.82, 2,008,741.20 and 811,035.23

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Solution

The fourth proportional to 1,455,628.82, 2,008,741.20 and 811,035.23 is: 1,119,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,628.82 : 2,008,741.20 = 811,035.23 : x
  2. Step 2: Convert to fraction form
    1,455,628.82/2,008,741.20 = 811,035.23/x
  3. Step 3: Cross multiply
    1,455,628.82x = 2,008,741.20 × 811,035.23
  4. Step 4: Simplify right side
    1,455,628.82x = 1,629,159,881,152.48
  5. Step 5: Solve for x
    x = 1,629,159,881,152.48/1,455,628.82
  6. Step 6: Final answer
    x = 1,119,213.81

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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.