Home / 1,199,145.81-1,654,915.59-682,921.56

Finding the Fourth Proportional to 1,199,145.81, 1,654,915.59 and 682,921.56

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Solution

The fourth proportional to 1,199,145.81, 1,654,915.59 and 682,921.56 is: 942,485.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,145.81 : 1,654,915.59 = 682,921.56 : x
  2. Step 2: Convert to fraction form
    1,199,145.81/1,654,915.59 = 682,921.56/x
  3. Step 3: Cross multiply
    1,199,145.81x = 1,654,915.59 × 682,921.56
  4. Step 4: Simplify right side
    1,199,145.81x = 1,130,177,536,391.12
  5. Step 5: Solve for x
    x = 1,130,177,536,391.12/1,199,145.81
  6. Step 6: Final answer
    x = 942,485.50

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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.