Home / 1,170,353.80-1,755,530.70-328,905.55

Finding the Fourth Proportional to 1,170,353.80, 1,755,530.70 and 328,905.55

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Solution

The fourth proportional to 1,170,353.80, 1,755,530.70 and 328,905.55 is: 493,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,353.80 : 1,755,530.70 = 328,905.55 : x
  2. Step 2: Convert to fraction form
    1,170,353.80/1,755,530.70 = 328,905.55/x
  3. Step 3: Cross multiply
    1,170,353.80x = 1,755,530.70 × 328,905.55
  4. Step 4: Simplify right side
    1,170,353.80x = 577,403,790,425.39
  5. Step 5: Solve for x
    x = 577,403,790,425.39/1,170,353.80
  6. Step 6: Final answer
    x = 493,358.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.