Home / 1,387,096.22-2,080,644.35-389,824.22

Finding the Fourth Proportional to 1,387,096.22, 2,080,644.35 and 389,824.22

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Solution

The fourth proportional to 1,387,096.22, 2,080,644.35 and 389,824.22 is: 584,736.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,096.22 : 2,080,644.35 = 389,824.22 : x
  2. Step 2: Convert to fraction form
    1,387,096.22/2,080,644.35 = 389,824.22/x
  3. Step 3: Cross multiply
    1,387,096.22x = 2,080,644.35 × 389,824.22
  4. Step 4: Simplify right side
    1,387,096.22x = 811,085,564,088.65
  5. Step 5: Solve for x
    x = 811,085,564,088.65/1,387,096.22
  6. Step 6: Final answer
    x = 584,736.34

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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.