Home / 1,158,759.32-1,599,059.21-642,515.36

Finding the Fourth Proportional to 1,158,759.32, 1,599,059.21 and 642,515.36

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Solution

The fourth proportional to 1,158,759.32, 1,599,059.21 and 642,515.36 is: 886,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,759.32 : 1,599,059.21 = 642,515.36 : x
  2. Step 2: Convert to fraction form
    1,158,759.32/1,599,059.21 = 642,515.36/x
  3. Step 3: Cross multiply
    1,158,759.32x = 1,599,059.21 × 642,515.36
  4. Step 4: Simplify right side
    1,158,759.32x = 1,027,420,092,766.59
  5. Step 5: Solve for x
    x = 1,027,420,092,766.59/1,158,759.32
  6. Step 6: Final answer
    x = 886,655.30

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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.