Home / 1,077,185.74-1,615,833.97-278,474.20

Finding the Fourth Proportional to 1,077,185.74, 1,615,833.97 and 278,474.20

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Solution

The fourth proportional to 1,077,185.74, 1,615,833.97 and 278,474.20 is: 417,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,185.74 : 1,615,833.97 = 278,474.20 : x
  2. Step 2: Convert to fraction form
    1,077,185.74/1,615,833.97 = 278,474.20/x
  3. Step 3: Cross multiply
    1,077,185.74x = 1,615,833.97 × 278,474.20
  4. Step 4: Simplify right side
    1,077,185.74x = 449,968,076,481.87
  5. Step 5: Solve for x
    x = 449,968,076,481.87/1,077,185.74
  6. Step 6: Final answer
    x = 417,725.62

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1.5x scale

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.