Home / 1,145,298.21-1,579,926.92-731,399.92

Finding the Fourth Proportional to 1,145,298.21, 1,579,926.92 and 731,399.92

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Solution

The fourth proportional to 1,145,298.21, 1,579,926.92 and 731,399.92 is: 1,008,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,298.21 : 1,579,926.92 = 731,399.92 : x
  2. Step 2: Convert to fraction form
    1,145,298.21/1,579,926.92 = 731,399.92/x
  3. Step 3: Cross multiply
    1,145,298.21x = 1,579,926.92 × 731,399.92
  4. Step 4: Simplify right side
    1,145,298.21x = 1,155,558,415,287.03
  5. Step 5: Solve for x
    x = 1,155,558,415,287.03/1,145,298.21
  6. Step 6: Final answer
    x = 1,008,958.55

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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.