Home / 1,298,500.05-1,947,847.99-387,610.57

Finding the Fourth Proportional to 1,298,500.05, 1,947,847.99 and 387,610.57

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Solution

The fourth proportional to 1,298,500.05, 1,947,847.99 and 387,610.57 is: 581,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,500.05 : 1,947,847.99 = 387,610.57 : x
  2. Step 2: Convert to fraction form
    1,298,500.05/1,947,847.99 = 387,610.57/x
  3. Step 3: Cross multiply
    1,298,500.05x = 1,947,847.99 × 387,610.57
  4. Step 4: Simplify right side
    1,298,500.05x = 755,006,469,677.25
  5. Step 5: Solve for x
    x = 755,006,469,677.25/1,298,500.05
  6. Step 6: Final answer
    x = 581,445.08

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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.