Home / 1,449,123.96-1,999,698.55-804,543.98

Finding the Fourth Proportional to 1,449,123.96, 1,999,698.55 and 804,543.98

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Solution

The fourth proportional to 1,449,123.96, 1,999,698.55 and 804,543.98 is: 1,110,219.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,123.96 : 1,999,698.55 = 804,543.98 : x
  2. Step 2: Convert to fraction form
    1,449,123.96/1,999,698.55 = 804,543.98/x
  3. Step 3: Cross multiply
    1,449,123.96x = 1,999,698.55 × 804,543.98
  4. Step 4: Simplify right side
    1,449,123.96x = 1,608,845,430,217.23
  5. Step 5: Solve for x
    x = 1,608,845,430,217.23/1,449,123.96
  6. Step 6: Final answer
    x = 1,110,219.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.