Home / 1,663,145.29-2,295,135.45-899,198.83

Finding the Fourth Proportional to 1,663,145.29, 2,295,135.45 and 899,198.83

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Solution

The fourth proportional to 1,663,145.29, 2,295,135.45 and 899,198.83 is: 1,240,891.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,145.29 : 2,295,135.45 = 899,198.83 : x
  2. Step 2: Convert to fraction form
    1,663,145.29/2,295,135.45 = 899,198.83/x
  3. Step 3: Cross multiply
    1,663,145.29x = 2,295,135.45 × 899,198.83
  4. Step 4: Simplify right side
    1,663,145.29x = 2,063,783,111,331.52
  5. Step 5: Solve for x
    x = 2,063,783,111,331.52/1,663,145.29
  6. Step 6: Final answer
    x = 1,240,891.65

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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.