Home / 1,129,990.37-1,694,985.53-498,778.43

Finding the Fourth Proportional to 1,129,990.37, 1,694,985.53 and 498,778.43

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Solution

The fourth proportional to 1,129,990.37, 1,694,985.53 and 498,778.43 is: 748,167.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,990.37 : 1,694,985.53 = 498,778.43 : x
  2. Step 2: Convert to fraction form
    1,129,990.37/1,694,985.53 = 498,778.43/x
  3. Step 3: Cross multiply
    1,129,990.37x = 1,694,985.53 × 498,778.43
  4. Step 4: Simplify right side
    1,129,990.37x = 845,422,210,557.30
  5. Step 5: Solve for x
    x = 845,422,210,557.30/1,129,990.37
  6. Step 6: Final answer
    x = 748,167.63

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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.