Home / 992,198.21-1,487,815.86-581,979.58

Finding the Fourth Proportional to 992,198.21, 1,487,815.86 and 581,979.58

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Solution

The fourth proportional to 992,198.21, 1,487,815.86 and 581,979.58 is: 872,686.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,198.21 : 1,487,815.86 = 581,979.58 : x
  2. Step 2: Convert to fraction form
    992,198.21/1,487,815.86 = 581,979.58/x
  3. Step 3: Cross multiply
    992,198.21x = 1,487,815.86 × 581,979.58
  4. Step 4: Simplify right side
    992,198.21x = 865,878,449,320.14
  5. Step 5: Solve for x
    x = 865,878,449,320.14/992,198.21
  6. Step 6: Final answer
    x = 872,686.97

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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.