Home / 1,525,755.15-2,289,669.53-851,835.15

Finding the Fourth Proportional to 1,525,755.15, 2,289,669.53 and 851,835.15

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Solution

The fourth proportional to 1,525,755.15, 2,289,669.53 and 851,835.15 is: 1,278,331.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,755.15 : 2,289,669.53 = 851,835.15 : x
  2. Step 2: Convert to fraction form
    1,525,755.15/2,289,669.53 = 851,835.15/x
  3. Step 3: Cross multiply
    1,525,755.15x = 2,289,669.53 × 851,835.15
  4. Step 4: Simplify right side
    1,525,755.15x = 1,950,420,983,278.80
  5. Step 5: Solve for x
    x = 1,950,420,983,278.80/1,525,755.15
  6. Step 6: Final answer
    x = 1,278,331.57

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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.