Home / 1,453,999.50-2,181,028.42-389,039.86

Finding the Fourth Proportional to 1,453,999.50, 2,181,028.42 and 389,039.86

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Solution

The fourth proportional to 1,453,999.50, 2,181,028.42 and 389,039.86 is: 583,567.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,999.50 : 2,181,028.42 = 389,039.86 : x
  2. Step 2: Convert to fraction form
    1,453,999.50/2,181,028.42 = 389,039.86/x
  3. Step 3: Cross multiply
    1,453,999.50x = 2,181,028.42 × 389,039.86
  4. Step 4: Simplify right side
    1,453,999.50x = 848,506,991,172.82
  5. Step 5: Solve for x
    x = 848,506,991,172.82/1,453,999.50
  6. Step 6: Final answer
    x = 583,567.59

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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.