Home / 1,398,632.82-2,101,947.48-1,303,859.58

Finding the Fourth Proportional to 1,398,632.82, 2,101,947.48 and 1,303,859.58

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Solution

The fourth proportional to 1,398,632.82, 2,101,947.48 and 1,303,859.58 is: 1,959,516.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,632.82 : 2,101,947.48 = 1,303,859.58 : x
  2. Step 2: Convert to fraction form
    1,398,632.82/2,101,947.48 = 1,303,859.58/x
  3. Step 3: Cross multiply
    1,398,632.82x = 2,101,947.48 × 1,303,859.58
  4. Step 4: Simplify right side
    1,398,632.82x = 2,740,644,358,454.86
  5. Step 5: Solve for x
    x = 2,740,644,358,454.86/1,398,632.82
  6. Step 6: Final answer
    x = 1,959,516.69

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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.