Home / 1,507,548.54-2,079,483.12-991,361.46

Finding the Fourth Proportional to 1,507,548.54, 2,079,483.12 and 991,361.46

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Solution

The fourth proportional to 1,507,548.54, 2,079,483.12 and 991,361.46 is: 1,367,464.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,548.54 : 2,079,483.12 = 991,361.46 : x
  2. Step 2: Convert to fraction form
    1,507,548.54/2,079,483.12 = 991,361.46/x
  3. Step 3: Cross multiply
    1,507,548.54x = 2,079,483.12 × 991,361.46
  4. Step 4: Simplify right side
    1,507,548.54x = 2,061,519,421,888.56
  5. Step 5: Solve for x
    x = 2,061,519,421,888.56/1,507,548.54
  6. Step 6: Final answer
    x = 1,367,464.71

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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.