Home / 1,237,079.66-1,852,469.40-815,076.14

Finding the Fourth Proportional to 1,237,079.66, 1,852,469.40 and 815,076.14

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Solution

The fourth proportional to 1,237,079.66, 1,852,469.40 and 815,076.14 is: 1,220,538.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,079.66 : 1,852,469.40 = 815,076.14 : x
  2. Step 2: Convert to fraction form
    1,237,079.66/1,852,469.40 = 815,076.14/x
  3. Step 3: Cross multiply
    1,237,079.66x = 1,852,469.40 × 815,076.14
  4. Step 4: Simplify right side
    1,237,079.66x = 1,509,903,608,020.12
  5. Step 5: Solve for x
    x = 1,509,903,608,020.12/1,237,079.66
  6. Step 6: Final answer
    x = 1,220,538.71

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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.