Home / 1,436,992.64-2,150,147.28-902,009.60

Finding the Fourth Proportional to 1,436,992.64, 2,150,147.28 and 902,009.60

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Solution

The fourth proportional to 1,436,992.64, 2,150,147.28 and 902,009.60 is: 1,349,661.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,992.64 : 2,150,147.28 = 902,009.60 : x
  2. Step 2: Convert to fraction form
    1,436,992.64/2,150,147.28 = 902,009.60/x
  3. Step 3: Cross multiply
    1,436,992.64x = 2,150,147.28 × 902,009.60
  4. Step 4: Simplify right side
    1,436,992.64x = 1,939,453,487,973.89
  5. Step 5: Solve for x
    x = 1,939,453,487,973.89/1,436,992.64
  6. Step 6: Final answer
    x = 1,349,661.39

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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.