Home / 1,217,909.49-1,680,702.71-674,046.33

Finding the Fourth Proportional to 1,217,909.49, 1,680,702.71 and 674,046.33

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Solution

The fourth proportional to 1,217,909.49, 1,680,702.71 and 674,046.33 is: 930,177.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,909.49 : 1,680,702.71 = 674,046.33 : x
  2. Step 2: Convert to fraction form
    1,217,909.49/1,680,702.71 = 674,046.33/x
  3. Step 3: Cross multiply
    1,217,909.49x = 1,680,702.71 × 674,046.33
  4. Step 4: Simplify right side
    1,217,909.49x = 1,132,871,493,496.55
  5. Step 5: Solve for x
    x = 1,132,871,493,496.55/1,217,909.49
  6. Step 6: Final answer
    x = 930,177.08

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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.