Home / 1,498,198.86-2,248,897.53-645,691.22

Finding the Fourth Proportional to 1,498,198.86, 2,248,897.53 and 645,691.22

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Solution

The fourth proportional to 1,498,198.86, 2,248,897.53 and 645,691.22 is: 969,226.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,198.86 : 2,248,897.53 = 645,691.22 : x
  2. Step 2: Convert to fraction form
    1,498,198.86/2,248,897.53 = 645,691.22/x
  3. Step 3: Cross multiply
    1,498,198.86x = 2,248,897.53 × 645,691.22
  4. Step 4: Simplify right side
    1,498,198.86x = 1,452,093,389,800.69
  5. Step 5: Solve for x
    x = 1,452,093,389,800.69/1,498,198.86
  6. Step 6: Final answer
    x = 969,226.07

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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.