Home / 1,540,379.88-2,309,723.82-475,126.20

Finding the Fourth Proportional to 1,540,379.88, 2,309,723.82 and 475,126.20

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Solution

The fourth proportional to 1,540,379.88, 2,309,723.82 and 475,126.20 is: 712,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,379.88 : 2,309,723.82 = 475,126.20 : x
  2. Step 2: Convert to fraction form
    1,540,379.88/2,309,723.82 = 475,126.20/x
  3. Step 3: Cross multiply
    1,540,379.88x = 2,309,723.82 × 475,126.20
  4. Step 4: Simplify right side
    1,540,379.88x = 1,097,410,301,646.08
  5. Step 5: Solve for x
    x = 1,097,410,301,646.08/1,540,379.88
  6. Step 6: Final answer
    x = 712,428.35

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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.