Home / 961,072.12-1,325,988.46-670,675.96

Finding the Fourth Proportional to 961,072.12, 1,325,988.46 and 670,675.96

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Solution

The fourth proportional to 961,072.12, 1,325,988.46 and 670,675.96 is: 925,329.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,072.12 : 1,325,988.46 = 670,675.96 : x
  2. Step 2: Convert to fraction form
    961,072.12/1,325,988.46 = 670,675.96/x
  3. Step 3: Cross multiply
    961,072.12x = 1,325,988.46 × 670,675.96
  4. Step 4: Simplify right side
    961,072.12x = 889,308,583,359.42
  5. Step 5: Solve for x
    x = 889,308,583,359.42/961,072.12
  6. Step 6: Final answer
    x = 925,329.71

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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.