Home / 1,382,815.59-2,072,342.56-814,458.03

Finding the Fourth Proportional to 1,382,815.59, 2,072,342.56 and 814,458.03

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Solution

The fourth proportional to 1,382,815.59, 2,072,342.56 and 814,458.03 is: 1,220,579.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,815.59 : 2,072,342.56 = 814,458.03 : x
  2. Step 2: Convert to fraction form
    1,382,815.59/2,072,342.56 = 814,458.03/x
  3. Step 3: Cross multiply
    1,382,815.59x = 2,072,342.56 × 814,458.03
  4. Step 4: Simplify right side
    1,382,815.59x = 1,687,836,038,902.76
  5. Step 5: Solve for x
    x = 1,687,836,038,902.76/1,382,815.59
  6. Step 6: Final answer
    x = 1,220,579.27

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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.