Home / 1,097,965.02-1,647,080.37-387,847.74

Finding the Fourth Proportional to 1,097,965.02, 1,647,080.37 and 387,847.74

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Solution

The fourth proportional to 1,097,965.02, 1,647,080.37 and 387,847.74 is: 581,818.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,965.02 : 1,647,080.37 = 387,847.74 : x
  2. Step 2: Convert to fraction form
    1,097,965.02/1,647,080.37 = 387,847.74/x
  3. Step 3: Cross multiply
    1,097,965.02x = 1,647,080.37 × 387,847.74
  4. Step 4: Simplify right side
    1,097,965.02x = 638,816,399,102.86
  5. Step 5: Solve for x
    x = 638,816,399,102.86/1,097,965.02
  6. Step 6: Final answer
    x = 581,818.53

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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.