Home / 1,302,469.76-1,798,285.96-813,184.96

Finding the Fourth Proportional to 1,302,469.76, 1,798,285.96 and 813,184.96

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Solution

The fourth proportional to 1,302,469.76, 1,798,285.96 and 813,184.96 is: 1,122,743.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,469.76 : 1,798,285.96 = 813,184.96 : x
  2. Step 2: Convert to fraction form
    1,302,469.76/1,798,285.96 = 813,184.96/x
  3. Step 3: Cross multiply
    1,302,469.76x = 1,798,285.96 × 813,184.96
  4. Step 4: Simplify right side
    1,302,469.76x = 1,462,339,096,451.16
  5. Step 5: Solve for x
    x = 1,462,339,096,451.16/1,302,469.76
  6. Step 6: Final answer
    x = 1,122,743.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.