Home / 1,137,262.80-1,568,855.52-678,053.52

Finding the Fourth Proportional to 1,137,262.80, 1,568,855.52 and 678,053.52

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Solution

The fourth proportional to 1,137,262.80, 1,568,855.52 and 678,053.52 is: 935,375.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,262.80 : 1,568,855.52 = 678,053.52 : x
  2. Step 2: Convert to fraction form
    1,137,262.80/1,568,855.52 = 678,053.52/x
  3. Step 3: Cross multiply
    1,137,262.80x = 1,568,855.52 × 678,053.52
  4. Step 4: Simplify right side
    1,137,262.80x = 1,063,768,007,707.43
  5. Step 5: Solve for x
    x = 1,063,768,007,707.43/1,137,262.80
  6. Step 6: Final answer
    x = 935,375.72

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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.