Home / 1,238,589.78-1,857,887.46-340,043.82

Finding the Fourth Proportional to 1,238,589.78, 1,857,887.46 and 340,043.82

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Solution

The fourth proportional to 1,238,589.78, 1,857,887.46 and 340,043.82 is: 510,066.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,589.78 : 1,857,887.46 = 340,043.82 : x
  2. Step 2: Convert to fraction form
    1,238,589.78/1,857,887.46 = 340,043.82/x
  3. Step 3: Cross multiply
    1,238,589.78x = 1,857,887.46 × 340,043.82
  4. Step 4: Simplify right side
    1,238,589.78x = 631,763,149,028.50
  5. Step 5: Solve for x
    x = 631,763,149,028.50/1,238,589.78
  6. Step 6: Final answer
    x = 510,066.50

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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.