Home / 1,472,006.80-2,208,010.20-1,285,382.80

Finding the Fourth Proportional to 1,472,006.80, 2,208,010.20 and 1,285,382.80

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Solution

The fourth proportional to 1,472,006.80, 2,208,010.20 and 1,285,382.80 is: 1,928,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,006.80 : 2,208,010.20 = 1,285,382.80 : x
  2. Step 2: Convert to fraction form
    1,472,006.80/2,208,010.20 = 1,285,382.80/x
  3. Step 3: Cross multiply
    1,472,006.80x = 2,208,010.20 × 1,285,382.80
  4. Step 4: Simplify right side
    1,472,006.80x = 2,838,138,333,304.56
  5. Step 5: Solve for x
    x = 2,838,138,333,304.56/1,472,006.80
  6. Step 6: Final answer
    x = 1,928,074.20

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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.