Home / 1,272,840.45-1,907,999.50-597,713.21

Finding the Fourth Proportional to 1,272,840.45, 1,907,999.50 and 597,713.21

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Solution

The fourth proportional to 1,272,840.45, 1,907,999.50 and 597,713.21 is: 895,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,840.45 : 1,907,999.50 = 597,713.21 : x
  2. Step 2: Convert to fraction form
    1,272,840.45/1,907,999.50 = 597,713.21/x
  3. Step 3: Cross multiply
    1,272,840.45x = 1,907,999.50 × 597,713.21
  4. Step 4: Simplify right side
    1,272,840.45x = 1,140,436,505,823.40
  5. Step 5: Solve for x
    x = 1,140,436,505,823.40/1,272,840.45
  6. Step 6: Final answer
    x = 895,977.58

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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.