Home / 1,255,897.10-1,883,845.65-414,245.90

Finding the Fourth Proportional to 1,255,897.10, 1,883,845.65 and 414,245.90

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Solution

The fourth proportional to 1,255,897.10, 1,883,845.65 and 414,245.90 is: 621,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,897.10 : 1,883,845.65 = 414,245.90 : x
  2. Step 2: Convert to fraction form
    1,255,897.10/1,883,845.65 = 414,245.90/x
  3. Step 3: Cross multiply
    1,255,897.10x = 1,883,845.65 × 414,245.90
  4. Step 4: Simplify right side
    1,255,897.10x = 780,375,336,745.34
  5. Step 5: Solve for x
    x = 780,375,336,745.34/1,255,897.10
  6. Step 6: Final answer
    x = 621,368.85

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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.