Home / 1,305,374.37-1,958,462.45-623,131.80

Finding the Fourth Proportional to 1,305,374.37, 1,958,462.45 and 623,131.80

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Solution

The fourth proportional to 1,305,374.37, 1,958,462.45 and 623,131.80 is: 934,889.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,374.37 : 1,958,462.45 = 623,131.80 : x
  2. Step 2: Convert to fraction form
    1,305,374.37/1,958,462.45 = 623,131.80/x
  3. Step 3: Cross multiply
    1,305,374.37x = 1,958,462.45 × 623,131.80
  4. Step 4: Simplify right side
    1,305,374.37x = 1,220,380,228,585.25
  5. Step 5: Solve for x
    x = 1,220,380,228,585.25/1,305,374.37
  6. Step 6: Final answer
    x = 934,889.07

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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.