Home / 1,507,175.97-2,079,926.43-818,861.46

Finding the Fourth Proportional to 1,507,175.97, 2,079,926.43 and 818,861.46

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Solution

The fourth proportional to 1,507,175.97, 2,079,926.43 and 818,861.46 is: 1,130,041.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,175.97 : 2,079,926.43 = 818,861.46 : x
  2. Step 2: Convert to fraction form
    1,507,175.97/2,079,926.43 = 818,861.46/x
  3. Step 3: Cross multiply
    1,507,175.97x = 2,079,926.43 × 818,861.46
  4. Step 4: Simplify right side
    1,507,175.97x = 1,703,171,593,162.39
  5. Step 5: Solve for x
    x = 1,703,171,593,162.39/1,507,175.97
  6. Step 6: Final answer
    x = 1,130,041.63

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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.