Home / 1,129,086.73-1,695,311.61-456,481.71

Finding the Fourth Proportional to 1,129,086.73, 1,695,311.61 and 456,481.71

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Solution

The fourth proportional to 1,129,086.73, 1,695,311.61 and 456,481.71 is: 685,402.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,086.73 : 1,695,311.61 = 456,481.71 : x
  2. Step 2: Convert to fraction form
    1,129,086.73/1,695,311.61 = 456,481.71/x
  3. Step 3: Cross multiply
    1,129,086.73x = 1,695,311.61 × 456,481.71
  4. Step 4: Simplify right side
    1,129,086.73x = 773,878,742,715.65
  5. Step 5: Solve for x
    x = 773,878,742,715.65/1,129,086.73
  6. Step 6: Final answer
    x = 685,402.39

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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.