Home / 1,285,436.98-1,928,407.68-475,828.48

Finding the Fourth Proportional to 1,285,436.98, 1,928,407.68 and 475,828.48

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Solution

The fourth proportional to 1,285,436.98, 1,928,407.68 and 475,828.48 is: 713,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,436.98 : 1,928,407.68 = 475,828.48 : x
  2. Step 2: Convert to fraction form
    1,285,436.98/1,928,407.68 = 475,828.48/x
  3. Step 3: Cross multiply
    1,285,436.98x = 1,928,407.68 × 475,828.48
  4. Step 4: Simplify right side
    1,285,436.98x = 917,591,295,194.73
  5. Step 5: Solve for x
    x = 917,591,295,194.73/1,285,436.98
  6. Step 6: Final answer
    x = 713,836.08

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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.