Home / 1,036,655.22-1,555,007.44-278,497.65

Finding the Fourth Proportional to 1,036,655.22, 1,555,007.44 and 278,497.65

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Solution

The fourth proportional to 1,036,655.22, 1,555,007.44 and 278,497.65 is: 417,753.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,655.22 : 1,555,007.44 = 278,497.65 : x
  2. Step 2: Convert to fraction form
    1,036,655.22/1,555,007.44 = 278,497.65/x
  3. Step 3: Cross multiply
    1,036,655.22x = 1,555,007.44 × 278,497.65
  4. Step 4: Simplify right side
    1,036,655.22x = 433,065,917,772.52
  5. Step 5: Solve for x
    x = 433,065,917,772.52/1,036,655.22
  6. Step 6: Final answer
    x = 417,753.09

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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.