Home / 1,253,168.40-1,879,825.04-354,534.86

Finding the Fourth Proportional to 1,253,168.40, 1,879,825.04 and 354,534.86

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Solution

The fourth proportional to 1,253,168.40, 1,879,825.04 and 354,534.86 is: 531,822.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,168.40 : 1,879,825.04 = 354,534.86 : x
  2. Step 2: Convert to fraction form
    1,253,168.40/1,879,825.04 = 354,534.86/x
  3. Step 3: Cross multiply
    1,253,168.40x = 1,879,825.04 × 354,534.86
  4. Step 4: Simplify right side
    1,253,168.40x = 666,463,507,380.89
  5. Step 5: Solve for x
    x = 666,463,507,380.89/1,253,168.40
  6. Step 6: Final answer
    x = 531,822.78

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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.