Home / 1,507,121.43-2,079,824.22-862,554.21

Finding the Fourth Proportional to 1,507,121.43, 2,079,824.22 and 862,554.21

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Solution

The fourth proportional to 1,507,121.43, 2,079,824.22 and 862,554.21 is: 1,190,322.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,121.43 : 2,079,824.22 = 862,554.21 : x
  2. Step 2: Convert to fraction form
    1,507,121.43/2,079,824.22 = 862,554.21/x
  3. Step 3: Cross multiply
    1,507,121.43x = 2,079,824.22 × 862,554.21
  4. Step 4: Simplify right side
    1,507,121.43x = 1,793,961,137,020.97
  5. Step 5: Solve for x
    x = 1,793,961,137,020.97/1,507,121.43
  6. Step 6: Final answer
    x = 1,190,322.89

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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.