Home / 1,538,575.86-2,308,126.24-685,956.90

Finding the Fourth Proportional to 1,538,575.86, 2,308,126.24 and 685,956.90

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Solution

The fourth proportional to 1,538,575.86, 2,308,126.24 and 685,956.90 is: 1,029,052.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,575.86 : 2,308,126.24 = 685,956.90 : x
  2. Step 2: Convert to fraction form
    1,538,575.86/2,308,126.24 = 685,956.90/x
  3. Step 3: Cross multiply
    1,538,575.86x = 2,308,126.24 × 685,956.90
  4. Step 4: Simplify right side
    1,538,575.86x = 1,583,275,120,399.06
  5. Step 5: Solve for x
    x = 1,583,275,120,399.06/1,538,575.86
  6. Step 6: Final answer
    x = 1,029,052.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.