Home / 1,305,246.41-1,801,212.90-724,435.46

Finding the Fourth Proportional to 1,305,246.41, 1,801,212.90 and 724,435.46

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Solution

The fourth proportional to 1,305,246.41, 1,801,212.90 and 724,435.46 is: 999,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,246.41 : 1,801,212.90 = 724,435.46 : x
  2. Step 2: Convert to fraction form
    1,305,246.41/1,801,212.90 = 724,435.46/x
  3. Step 3: Cross multiply
    1,305,246.41x = 1,801,212.90 × 724,435.46
  4. Step 4: Simplify right side
    1,305,246.41x = 1,304,862,490,801.28
  5. Step 5: Solve for x
    x = 1,304,862,490,801.28/1,305,246.41
  6. Step 6: Final answer
    x = 999,705.86

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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.