Home / 1,538,954.42-2,123,752.64-859,891.46

Finding the Fourth Proportional to 1,538,954.42, 2,123,752.64 and 859,891.46

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Solution

The fourth proportional to 1,538,954.42, 2,123,752.64 and 859,891.46 is: 1,186,647.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,954.42 : 2,123,752.64 = 859,891.46 : x
  2. Step 2: Convert to fraction form
    1,538,954.42/2,123,752.64 = 859,891.46/x
  3. Step 3: Cross multiply
    1,538,954.42x = 2,123,752.64 × 859,891.46
  4. Step 4: Simplify right side
    1,538,954.42x = 1,826,196,758,288.45
  5. Step 5: Solve for x
    x = 1,826,196,758,288.45/1,538,954.42
  6. Step 6: Final answer
    x = 1,186,647.72

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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.