Home / 1,330,576.67-1,836,196.51-718,729.42

Finding the Fourth Proportional to 1,330,576.67, 1,836,196.51 and 718,729.42

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Solution

The fourth proportional to 1,330,576.67, 1,836,196.51 and 718,729.42 is: 991,846.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,576.67 : 1,836,196.51 = 718,729.42 : x
  2. Step 2: Convert to fraction form
    1,330,576.67/1,836,196.51 = 718,729.42/x
  3. Step 3: Cross multiply
    1,330,576.67x = 1,836,196.51 × 718,729.42
  4. Step 4: Simplify right side
    1,330,576.67x = 1,319,728,451,041.50
  5. Step 5: Solve for x
    x = 1,319,728,451,041.50/1,330,576.67
  6. Step 6: Final answer
    x = 991,846.98

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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.