Home / 1,388,695.62-2,083,028.58-1,053,793.02

Finding the Fourth Proportional to 1,388,695.62, 2,083,028.58 and 1,053,793.02

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Solution

The fourth proportional to 1,388,695.62, 2,083,028.58 and 1,053,793.02 is: 1,580,678.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,695.62 : 2,083,028.58 = 1,053,793.02 : x
  2. Step 2: Convert to fraction form
    1,388,695.62/2,083,028.58 = 1,053,793.02/x
  3. Step 3: Cross multiply
    1,388,695.62x = 2,083,028.58 × 1,053,793.02
  4. Step 4: Simplify right side
    1,388,695.62x = 2,195,080,978,064.51
  5. Step 5: Solve for x
    x = 2,195,080,978,064.51/1,388,695.62
  6. Step 6: Final answer
    x = 1,580,678.26

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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.