Home / 1,275,967.67-1,914,226.09-636,615.23

Finding the Fourth Proportional to 1,275,967.67, 1,914,226.09 and 636,615.23

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Solution

The fourth proportional to 1,275,967.67, 1,914,226.09 and 636,615.23 is: 955,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,967.67 : 1,914,226.09 = 636,615.23 : x
  2. Step 2: Convert to fraction form
    1,275,967.67/1,914,226.09 = 636,615.23/x
  3. Step 3: Cross multiply
    1,275,967.67x = 1,914,226.09 × 636,615.23
  4. Step 4: Simplify right side
    1,275,967.67x = 1,218,625,471,394.68
  5. Step 5: Solve for x
    x = 1,218,625,471,394.68/1,275,967.67
  6. Step 6: Final answer
    x = 955,059.84

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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.