Home / 969,984.34-1,338,114.79-753,643.87

Finding the Fourth Proportional to 969,984.34, 1,338,114.79 and 753,643.87

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Solution

The fourth proportional to 969,984.34, 1,338,114.79 and 753,643.87 is: 1,039,668.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,984.34 : 1,338,114.79 = 753,643.87 : x
  2. Step 2: Convert to fraction form
    969,984.34/1,338,114.79 = 753,643.87/x
  3. Step 3: Cross multiply
    969,984.34x = 1,338,114.79 × 753,643.87
  4. Step 4: Simplify right side
    969,984.34x = 1,008,462,008,839.84
  5. Step 5: Solve for x
    x = 1,008,462,008,839.84/969,984.34
  6. Step 6: Final answer
    x = 1,039,668.34

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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.