Home / 1,170,904.34-1,755,160.18-664,395.35

Finding the Fourth Proportional to 1,170,904.34, 1,755,160.18 and 664,395.35

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Solution

The fourth proportional to 1,170,904.34, 1,755,160.18 and 664,395.35 is: 995,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,904.34 : 1,755,160.18 = 664,395.35 : x
  2. Step 2: Convert to fraction form
    1,170,904.34/1,755,160.18 = 664,395.35/x
  3. Step 3: Cross multiply
    1,170,904.34x = 1,755,160.18 × 664,395.35
  4. Step 4: Simplify right side
    1,170,904.34x = 1,166,120,251,660.37
  5. Step 5: Solve for x
    x = 1,166,120,251,660.37/1,170,904.34
  6. Step 6: Final answer
    x = 995,914.19

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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.