Home / 1,259,893.87-1,890,108.72-407,014.45

Finding the Fourth Proportional to 1,259,893.87, 1,890,108.72 and 407,014.45

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Solution

The fourth proportional to 1,259,893.87, 1,890,108.72 and 407,014.45 is: 610,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,893.87 : 1,890,108.72 = 407,014.45 : x
  2. Step 2: Convert to fraction form
    1,259,893.87/1,890,108.72 = 407,014.45/x
  3. Step 3: Cross multiply
    1,259,893.87x = 1,890,108.72 × 407,014.45
  4. Step 4: Simplify right side
    1,259,893.87x = 769,301,556,385.73
  5. Step 5: Solve for x
    x = 769,301,556,385.73/1,259,893.87
  6. Step 6: Final answer
    x = 610,608.22

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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.