Home / 969,971.59-1,338,097.21-753,631.12

Finding the Fourth Proportional to 969,971.59, 1,338,097.21 and 753,631.12

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Solution

The fourth proportional to 969,971.59, 1,338,097.21 and 753,631.12 is: 1,039,650.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,971.59 : 1,338,097.21 = 753,631.12 : x
  2. Step 2: Convert to fraction form
    969,971.59/1,338,097.21 = 753,631.12/x
  3. Step 3: Cross multiply
    969,971.59x = 1,338,097.21 × 753,631.12
  4. Step 4: Simplify right side
    969,971.59x = 1,008,431,699,041.18
  5. Step 5: Solve for x
    x = 1,008,431,699,041.18/969,971.59
  6. Step 6: Final answer
    x = 1,039,650.76

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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.