Home / 1,179,448.32-1,627,634.88-642,904.32

Finding the Fourth Proportional to 1,179,448.32, 1,627,634.88 and 642,904.32

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Solution

The fourth proportional to 1,179,448.32, 1,627,634.88 and 642,904.32 is: 887,205.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,448.32 : 1,627,634.88 = 642,904.32 : x
  2. Step 2: Convert to fraction form
    1,179,448.32/1,627,634.88 = 642,904.32/x
  3. Step 3: Cross multiply
    1,179,448.32x = 1,627,634.88 × 642,904.32
  4. Step 4: Simplify right side
    1,179,448.32x = 1,046,413,495,734.68
  5. Step 5: Solve for x
    x = 1,046,413,495,734.68/1,179,448.32
  6. Step 6: Final answer
    x = 887,205.89

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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.