Home / 1,522,090.14-2,100,499.86-918,361.50

Finding the Fourth Proportional to 1,522,090.14, 2,100,499.86 and 918,361.50

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Solution

The fourth proportional to 1,522,090.14, 2,100,499.86 and 918,361.50 is: 1,267,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,090.14 : 2,100,499.86 = 918,361.50 : x
  2. Step 2: Convert to fraction form
    1,522,090.14/2,100,499.86 = 918,361.50/x
  3. Step 3: Cross multiply
    1,522,090.14x = 2,100,499.86 × 918,361.50
  4. Step 4: Simplify right side
    1,522,090.14x = 1,929,018,202,179.39
  5. Step 5: Solve for x
    x = 1,929,018,202,179.39/1,522,090.14
  6. Step 6: Final answer
    x = 1,267,348.20

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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.