Home / 1,503,575.33-2,074,960.87-815,270.40

Finding the Fourth Proportional to 1,503,575.33, 2,074,960.87 and 815,270.40

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Solution

The fourth proportional to 1,503,575.33, 2,074,960.87 and 815,270.40 is: 1,125,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,575.33 : 2,074,960.87 = 815,270.40 : x
  2. Step 2: Convert to fraction form
    1,503,575.33/2,074,960.87 = 815,270.40/x
  3. Step 3: Cross multiply
    1,503,575.33x = 2,074,960.87 × 815,270.40
  4. Step 4: Simplify right side
    1,503,575.33x = 1,691,654,176,431.07
  5. Step 5: Solve for x
    x = 1,691,654,176,431.07/1,503,575.33
  6. Step 6: Final answer
    x = 1,125,087.75

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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.