Home / 1,485,276.54-2,049,532.03-840,584.47

Finding the Fourth Proportional to 1,485,276.54, 2,049,532.03 and 840,584.47

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Solution

The fourth proportional to 1,485,276.54, 2,049,532.03 and 840,584.47 is: 1,159,921.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,276.54 : 2,049,532.03 = 840,584.47 : x
  2. Step 2: Convert to fraction form
    1,485,276.54/2,049,532.03 = 840,584.47/x
  3. Step 3: Cross multiply
    1,485,276.54x = 2,049,532.03 × 840,584.47
  4. Step 4: Simplify right side
    1,485,276.54x = 1,722,804,795,185.57
  5. Step 5: Solve for x
    x = 1,722,804,795,185.57/1,485,276.54
  6. Step 6: Final answer
    x = 1,159,921.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.