Home / 1,550,236.52-2,139,422.52-861,913.91

Finding the Fourth Proportional to 1,550,236.52, 2,139,422.52 and 861,913.91

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Solution

The fourth proportional to 1,550,236.52, 2,139,422.52 and 861,913.91 is: 1,189,494.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,236.52 : 2,139,422.52 = 861,913.91 : x
  2. Step 2: Convert to fraction form
    1,550,236.52/2,139,422.52 = 861,913.91/x
  3. Step 3: Cross multiply
    1,550,236.52x = 2,139,422.52 × 861,913.91
  4. Step 4: Simplify right side
    1,550,236.52x = 1,843,998,037,935.99
  5. Step 5: Solve for x
    x = 1,843,998,037,935.99/1,550,236.52
  6. Step 6: Final answer
    x = 1,189,494.64

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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.