Home / 1,078,846.77-1,618,992.48-447,761.19

Finding the Fourth Proportional to 1,078,846.77, 1,618,992.48 and 447,761.19

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Solution

The fourth proportional to 1,078,846.77, 1,618,992.48 and 447,761.19 is: 671,941.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,846.77 : 1,618,992.48 = 447,761.19 : x
  2. Step 2: Convert to fraction form
    1,078,846.77/1,618,992.48 = 447,761.19/x
  3. Step 3: Cross multiply
    1,078,846.77x = 1,618,992.48 × 447,761.19
  4. Step 4: Simplify right side
    1,078,846.77x = 724,921,999,445.85
  5. Step 5: Solve for x
    x = 724,921,999,445.85/1,078,846.77
  6. Step 6: Final answer
    x = 671,941.58

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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.