Home / 1,539,231.40-2,308,847.10-1,255,796.20

Finding the Fourth Proportional to 1,539,231.40, 2,308,847.10 and 1,255,796.20

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Solution

The fourth proportional to 1,539,231.40, 2,308,847.10 and 1,255,796.20 is: 1,883,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,231.40 : 2,308,847.10 = 1,255,796.20 : x
  2. Step 2: Convert to fraction form
    1,539,231.40/2,308,847.10 = 1,255,796.20/x
  3. Step 3: Cross multiply
    1,539,231.40x = 2,308,847.10 × 1,255,796.20
  4. Step 4: Simplify right side
    1,539,231.40x = 2,899,441,414,561.02
  5. Step 5: Solve for x
    x = 2,899,441,414,561.02/1,539,231.40
  6. Step 6: Final answer
    x = 1,883,694.30

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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.