Home / 1,293,039.30-1,784,411.73-720,093.90

Finding the Fourth Proportional to 1,293,039.30, 1,784,411.73 and 720,093.90

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Solution

The fourth proportional to 1,293,039.30, 1,784,411.73 and 720,093.90 is: 993,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,039.30 : 1,784,411.73 = 720,093.90 : x
  2. Step 2: Convert to fraction form
    1,293,039.30/1,784,411.73 = 720,093.90/x
  3. Step 3: Cross multiply
    1,293,039.30x = 1,784,411.73 × 720,093.90
  4. Step 4: Simplify right side
    1,293,039.30x = 1,284,944,001,861.45
  5. Step 5: Solve for x
    x = 1,284,944,001,861.45/1,293,039.30
  6. Step 6: Final answer
    x = 993,739.33

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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.