Home / 1,149,727.87-1,725,329.69-771,076.03

Finding the Fourth Proportional to 1,149,727.87, 1,725,329.69 and 771,076.03

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Solution

The fourth proportional to 1,149,727.87, 1,725,329.69 and 771,076.03 is: 1,157,108.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,727.87 : 1,725,329.69 = 771,076.03 : x
  2. Step 2: Convert to fraction form
    1,149,727.87/1,725,329.69 = 771,076.03/x
  3. Step 3: Cross multiply
    1,149,727.87x = 1,725,329.69 × 771,076.03
  4. Step 4: Simplify right side
    1,149,727.87x = 1,330,360,367,806.33
  5. Step 5: Solve for x
    x = 1,330,360,367,806.33/1,149,727.87
  6. Step 6: Final answer
    x = 1,157,108.91

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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.