Home / 1,998,230.80-2,997,374.64-650,400.52

Finding the Fourth Proportional to 1,998,230.80, 2,997,374.64 and 650,400.52

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Solution

The fourth proportional to 1,998,230.80, 2,997,374.64 and 650,400.52 is: 975,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,230.80 : 2,997,374.64 = 650,400.52 : x
  2. Step 2: Convert to fraction form
    1,998,230.80/2,997,374.64 = 650,400.52/x
  3. Step 3: Cross multiply
    1,998,230.80x = 2,997,374.64 × 650,400.52
  4. Step 4: Simplify right side
    1,998,230.80x = 1,949,494,024,490.81
  5. Step 5: Solve for x
    x = 1,949,494,024,490.81/1,998,230.80
  6. Step 6: Final answer
    x = 975,610.04

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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.