Home / 1,422,342.52-1,962,953.58-810,682.36

Finding the Fourth Proportional to 1,422,342.52, 1,962,953.58 and 810,682.36

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Solution

The fourth proportional to 1,422,342.52, 1,962,953.58 and 810,682.36 is: 1,118,810.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,342.52 : 1,962,953.58 = 810,682.36 : x
  2. Step 2: Convert to fraction form
    1,422,342.52/1,962,953.58 = 810,682.36/x
  3. Step 3: Cross multiply
    1,422,342.52x = 1,962,953.58 × 810,682.36
  4. Step 4: Simplify right side
    1,422,342.52x = 1,591,331,840,804.85
  5. Step 5: Solve for x
    x = 1,591,331,840,804.85/1,422,342.52
  6. Step 6: Final answer
    x = 1,118,810.57

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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.