Home / 1,332,421.38-1,838,847.42-849,203.46

Finding the Fourth Proportional to 1,332,421.38, 1,838,847.42 and 849,203.46

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Solution

The fourth proportional to 1,332,421.38, 1,838,847.42 and 849,203.46 is: 1,171,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,421.38 : 1,838,847.42 = 849,203.46 : x
  2. Step 2: Convert to fraction form
    1,332,421.38/1,838,847.42 = 849,203.46/x
  3. Step 3: Cross multiply
    1,332,421.38x = 1,838,847.42 × 849,203.46
  4. Step 4: Simplify right side
    1,332,421.38x = 1,561,555,591,476.07
  5. Step 5: Solve for x
    x = 1,561,555,591,476.07/1,332,421.38
  6. Step 6: Final answer
    x = 1,171,968.28

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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.