Home / 1,285,385.85-1,928,246.46-475,660.05

Finding the Fourth Proportional to 1,285,385.85, 1,928,246.46 and 475,660.05

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Solution

The fourth proportional to 1,285,385.85, 1,928,246.46 and 475,660.05 is: 713,552.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,385.85 : 1,928,246.46 = 475,660.05 : x
  2. Step 2: Convert to fraction form
    1,285,385.85/1,928,246.46 = 475,660.05/x
  3. Step 3: Cross multiply
    1,285,385.85x = 1,928,246.46 × 475,660.05
  4. Step 4: Simplify right side
    1,285,385.85x = 917,189,807,575.92
  5. Step 5: Solve for x
    x = 917,189,807,575.92/1,285,385.85
  6. Step 6: Final answer
    x = 713,552.13

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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.