Home / 1,375,160.10-2,062,735.29-428,531.46

Finding the Fourth Proportional to 1,375,160.10, 2,062,735.29 and 428,531.46

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Solution

The fourth proportional to 1,375,160.10, 2,062,735.29 and 428,531.46 is: 642,795.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,160.10 : 2,062,735.29 = 428,531.46 : x
  2. Step 2: Convert to fraction form
    1,375,160.10/2,062,735.29 = 428,531.46/x
  3. Step 3: Cross multiply
    1,375,160.10x = 2,062,735.29 × 428,531.46
  4. Step 4: Simplify right side
    1,375,160.10x = 883,946,965,417.22
  5. Step 5: Solve for x
    x = 883,946,965,417.22/1,375,160.10
  6. Step 6: Final answer
    x = 642,795.68

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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.