Home / 1,331,739.51-1,997,667.58-385,205.91

Finding the Fourth Proportional to 1,331,739.51, 1,997,667.58 and 385,205.91

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Solution

The fourth proportional to 1,331,739.51, 1,997,667.58 and 385,205.91 is: 577,825.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,739.51 : 1,997,667.58 = 385,205.91 : x
  2. Step 2: Convert to fraction form
    1,331,739.51/1,997,667.58 = 385,205.91/x
  3. Step 3: Cross multiply
    1,331,739.51x = 1,997,667.58 × 385,205.91
  4. Step 4: Simplify right side
    1,331,739.51x = 769,513,347,080.05
  5. Step 5: Solve for x
    x = 769,513,347,080.05/1,331,739.51
  6. Step 6: Final answer
    x = 577,825.73

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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.