Home / 1,550,469.42-2,139,476.55-930,241.70

Finding the Fourth Proportional to 1,550,469.42, 2,139,476.55 and 930,241.70

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Solution

The fourth proportional to 1,550,469.42, 2,139,476.55 and 930,241.70 is: 1,283,630.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,469.42 : 2,139,476.55 = 930,241.70 : x
  2. Step 2: Convert to fraction form
    1,550,469.42/2,139,476.55 = 930,241.70/x
  3. Step 3: Cross multiply
    1,550,469.42x = 2,139,476.55 × 930,241.70
  4. Step 4: Simplify right side
    1,550,469.42x = 1,990,230,292,284.75
  5. Step 5: Solve for x
    x = 1,990,230,292,284.75/1,550,469.42
  6. Step 6: Final answer
    x = 1,283,630.79

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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.