Home / 987,070.20-1,362,157.38-534,361.20

Finding the Fourth Proportional to 987,070.20, 1,362,157.38 and 534,361.20

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Solution

The fourth proportional to 987,070.20, 1,362,157.38 and 534,361.20 is: 737,418.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,070.20 : 1,362,157.38 = 534,361.20 : x
  2. Step 2: Convert to fraction form
    987,070.20/1,362,157.38 = 534,361.20/x
  3. Step 3: Cross multiply
    987,070.20x = 1,362,157.38 × 534,361.20
  4. Step 4: Simplify right side
    987,070.20x = 727,884,052,165.66
  5. Step 5: Solve for x
    x = 727,884,052,165.66/987,070.20
  6. Step 6: Final answer
    x = 737,418.73

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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.