Home / 1,293,580.80-1,940,662.08-394,947.36

Finding the Fourth Proportional to 1,293,580.80, 1,940,662.08 and 394,947.36

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Solution

The fourth proportional to 1,293,580.80, 1,940,662.08 and 394,947.36 is: 592,509.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,580.80 : 1,940,662.08 = 394,947.36 : x
  2. Step 2: Convert to fraction form
    1,293,580.80/1,940,662.08 = 394,947.36/x
  3. Step 3: Cross multiply
    1,293,580.80x = 1,940,662.08 × 394,947.36
  4. Step 4: Simplify right side
    1,293,580.80x = 766,459,365,148.11
  5. Step 5: Solve for x
    x = 766,459,365,148.11/1,293,580.80
  6. Step 6: Final answer
    x = 592,509.85

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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.