Home / 1,305,479.05-1,949,284.22-1,169,666.35

Finding the Fourth Proportional to 1,305,479.05, 1,949,284.22 and 1,169,666.35

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Solution

The fourth proportional to 1,305,479.05, 1,949,284.22 and 1,169,666.35 is: 1,746,494.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,479.05 : 1,949,284.22 = 1,169,666.35 : x
  2. Step 2: Convert to fraction form
    1,305,479.05/1,949,284.22 = 1,169,666.35/x
  3. Step 3: Cross multiply
    1,305,479.05x = 1,949,284.22 × 1,169,666.35
  4. Step 4: Simplify right side
    1,305,479.05x = 2,280,012,147,998.45
  5. Step 5: Solve for x
    x = 2,280,012,147,998.45/1,305,479.05
  6. Step 6: Final answer
    x = 1,746,494.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.