Home / 1,100,871.51-1,651,727.60-427,425.66

Finding the Fourth Proportional to 1,100,871.51, 1,651,727.60 and 427,425.66

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Solution

The fourth proportional to 1,100,871.51, 1,651,727.60 and 427,425.66 is: 641,301.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,871.51 : 1,651,727.60 = 427,425.66 : x
  2. Step 2: Convert to fraction form
    1,100,871.51/1,651,727.60 = 427,425.66/x
  3. Step 3: Cross multiply
    1,100,871.51x = 1,651,727.60 × 427,425.66
  4. Step 4: Simplify right side
    1,100,871.51x = 705,990,759,035.93
  5. Step 5: Solve for x
    x = 705,990,759,035.93/1,100,871.51
  6. Step 6: Final answer
    x = 641,301.69

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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.