Home / 1,439,951.88-2,160,277.73-442,679.88

Finding the Fourth Proportional to 1,439,951.88, 2,160,277.73 and 442,679.88

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Solution

The fourth proportional to 1,439,951.88, 2,160,277.73 and 442,679.88 is: 664,127.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,951.88 : 2,160,277.73 = 442,679.88 : x
  2. Step 2: Convert to fraction form
    1,439,951.88/2,160,277.73 = 442,679.88/x
  3. Step 3: Cross multiply
    1,439,951.88x = 2,160,277.73 × 442,679.88
  4. Step 4: Simplify right side
    1,439,951.88x = 956,311,486,283.07
  5. Step 5: Solve for x
    x = 956,311,486,283.07/1,439,951.88
  6. Step 6: Final answer
    x = 664,127.39

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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.