Home / 1,511,447.64-2,085,772.54-832,447.32

Finding the Fourth Proportional to 1,511,447.64, 2,085,772.54 and 832,447.32

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Solution

The fourth proportional to 1,511,447.64, 2,085,772.54 and 832,447.32 is: 1,148,763.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,447.64 : 2,085,772.54 = 832,447.32 : x
  2. Step 2: Convert to fraction form
    1,511,447.64/2,085,772.54 = 832,447.32/x
  3. Step 3: Cross multiply
    1,511,447.64x = 2,085,772.54 × 832,447.32
  4. Step 4: Simplify right side
    1,511,447.64x = 1,736,295,761,052.59
  5. Step 5: Solve for x
    x = 1,736,295,761,052.59/1,511,447.64
  6. Step 6: Final answer
    x = 1,148,763.42

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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.