Home / 1,400,129.20-2,099,678.64-501,327.28

Finding the Fourth Proportional to 1,400,129.20, 2,099,678.64 and 501,327.28

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Solution

The fourth proportional to 1,400,129.20, 2,099,678.64 and 501,327.28 is: 751,806.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,129.20 : 2,099,678.64 = 501,327.28 : x
  2. Step 2: Convert to fraction form
    1,400,129.20/2,099,678.64 = 501,327.28/x
  3. Step 3: Cross multiply
    1,400,129.20x = 2,099,678.64 × 501,327.28
  4. Step 4: Simplify right side
    1,400,129.20x = 1,052,626,181,465.30
  5. Step 5: Solve for x
    x = 1,052,626,181,465.30/1,400,129.20
  6. Step 6: Final answer
    x = 751,806.46

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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.