Home / 1,179,667.69-1,627,925.80-663,421.44

Finding the Fourth Proportional to 1,179,667.69, 1,627,925.80 and 663,421.44

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Solution

The fourth proportional to 1,179,667.69, 1,627,925.80 and 663,421.44 is: 915,512.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,667.69 : 1,627,925.80 = 663,421.44 : x
  2. Step 2: Convert to fraction form
    1,179,667.69/1,627,925.80 = 663,421.44/x
  3. Step 3: Cross multiply
    1,179,667.69x = 1,627,925.80 × 663,421.44
  4. Step 4: Simplify right side
    1,179,667.69x = 1,080,000,874,982.15
  5. Step 5: Solve for x
    x = 1,080,000,874,982.15/1,179,667.69
  6. Step 6: Final answer
    x = 915,512.81

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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.