Home / 1,374,869.16-2,062,150.92-428,160.60

Finding the Fourth Proportional to 1,374,869.16, 2,062,150.92 and 428,160.60

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Solution

The fourth proportional to 1,374,869.16, 2,062,150.92 and 428,160.60 is: 642,193.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,869.16 : 2,062,150.92 = 428,160.60 : x
  2. Step 2: Convert to fraction form
    1,374,869.16/2,062,150.92 = 428,160.60/x
  3. Step 3: Cross multiply
    1,374,869.16x = 2,062,150.92 × 428,160.60
  4. Step 4: Simplify right side
    1,374,869.16x = 882,931,775,197.75
  5. Step 5: Solve for x
    x = 882,931,775,197.75/1,374,869.16
  6. Step 6: Final answer
    x = 642,193.31

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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.