Home / 1,046,135.90-1,569,203.85-809,648.30

Finding the Fourth Proportional to 1,046,135.90, 1,569,203.85 and 809,648.30

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Solution

The fourth proportional to 1,046,135.90, 1,569,203.85 and 809,648.30 is: 1,214,472.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,135.90 : 1,569,203.85 = 809,648.30 : x
  2. Step 2: Convert to fraction form
    1,046,135.90/1,569,203.85 = 809,648.30/x
  3. Step 3: Cross multiply
    1,046,135.90x = 1,569,203.85 × 809,648.30
  4. Step 4: Simplify right side
    1,046,135.90x = 1,270,503,229,505.96
  5. Step 5: Solve for x
    x = 1,270,503,229,505.96/1,046,135.90
  6. Step 6: Final answer
    x = 1,214,472.45

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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.