Home / 1,276,898.25-1,915,376.54-378,323.13

Finding the Fourth Proportional to 1,276,898.25, 1,915,376.54 and 378,323.13

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Solution

The fourth proportional to 1,276,898.25, 1,915,376.54 and 378,323.13 is: 567,493.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,898.25 : 1,915,376.54 = 378,323.13 : x
  2. Step 2: Convert to fraction form
    1,276,898.25/1,915,376.54 = 378,323.13/x
  3. Step 3: Cross multiply
    1,276,898.25x = 1,915,376.54 × 378,323.13
  4. Step 4: Simplify right side
    1,276,898.25x = 724,631,245,849.76
  5. Step 5: Solve for x
    x = 724,631,245,849.76/1,276,898.25
  6. Step 6: Final answer
    x = 567,493.33

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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.