Home / 1,202,022.02-1,658,784.31-658,147.93

Finding the Fourth Proportional to 1,202,022.02, 1,658,784.31 and 658,147.93

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Solution

The fourth proportional to 1,202,022.02, 1,658,784.31 and 658,147.93 is: 908,240.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,022.02 : 1,658,784.31 = 658,147.93 : x
  2. Step 2: Convert to fraction form
    1,202,022.02/1,658,784.31 = 658,147.93/x
  3. Step 3: Cross multiply
    1,202,022.02x = 1,658,784.31 × 658,147.93
  4. Step 4: Simplify right side
    1,202,022.02x = 1,091,725,454,150.65
  5. Step 5: Solve for x
    x = 1,091,725,454,150.65/1,202,022.02
  6. Step 6: Final answer
    x = 908,240.81

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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.