Home / 1,507,459.68-2,079,361.44-991,272.96

Finding the Fourth Proportional to 1,507,459.68, 2,079,361.44 and 991,272.96

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Solution

The fourth proportional to 1,507,459.68, 2,079,361.44 and 991,272.96 is: 1,367,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,459.68 : 2,079,361.44 = 991,272.96 : x
  2. Step 2: Convert to fraction form
    1,507,459.68/2,079,361.44 = 991,272.96/x
  3. Step 3: Cross multiply
    1,507,459.68x = 2,079,361.44 × 991,272.96
  4. Step 4: Simplify right side
    1,507,459.68x = 2,061,214,769,538.66
  5. Step 5: Solve for x
    x = 2,061,214,769,538.66/1,507,459.68
  6. Step 6: Final answer
    x = 1,367,343.22

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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.