Home / 1,238,625.27-1,857,940.80-340,079.31

Finding the Fourth Proportional to 1,238,625.27, 1,857,940.80 and 340,079.31

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Solution

The fourth proportional to 1,238,625.27, 1,857,940.80 and 340,079.31 is: 510,119.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,625.27 : 1,857,940.80 = 340,079.31 : x
  2. Step 2: Convert to fraction form
    1,238,625.27/1,857,940.80 = 340,079.31/x
  3. Step 3: Cross multiply
    1,238,625.27x = 1,857,940.80 × 340,079.31
  4. Step 4: Simplify right side
    1,238,625.27x = 631,847,225,284.85
  5. Step 5: Solve for x
    x = 631,847,225,284.85/1,238,625.27
  6. Step 6: Final answer
    x = 510,119.76

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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.