Home / 1,197,123.52-1,795,286.88-387,315.58

Finding the Fourth Proportional to 1,197,123.52, 1,795,286.88 and 387,315.58

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Solution

The fourth proportional to 1,197,123.52, 1,795,286.88 and 387,315.58 is: 580,844.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,123.52 : 1,795,286.88 = 387,315.58 : x
  2. Step 2: Convert to fraction form
    1,197,123.52/1,795,286.88 = 387,315.58/x
  3. Step 3: Cross multiply
    1,197,123.52x = 1,795,286.88 × 387,315.58
  4. Step 4: Simplify right side
    1,197,123.52x = 695,342,579,193.59
  5. Step 5: Solve for x
    x = 695,342,579,193.59/1,197,123.52
  6. Step 6: Final answer
    x = 580,844.47

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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.