Home / 1,639,320.92-2,262,272.74-914,214.48

Finding the Fourth Proportional to 1,639,320.92, 2,262,272.74 and 914,214.48

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Solution

The fourth proportional to 1,639,320.92, 2,262,272.74 and 914,214.48 is: 1,261,621.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,320.92 : 2,262,272.74 = 914,214.48 : x
  2. Step 2: Convert to fraction form
    1,639,320.92/2,262,272.74 = 914,214.48/x
  3. Step 3: Cross multiply
    1,639,320.92x = 2,262,272.74 × 914,214.48
  4. Step 4: Simplify right side
    1,639,320.92x = 2,068,202,496,617.28
  5. Step 5: Solve for x
    x = 2,068,202,496,617.28/1,639,320.92
  6. Step 6: Final answer
    x = 1,261,621.49

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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.