Home / 1,112,549.79-1,669,032.27-505,380.75

Finding the Fourth Proportional to 1,112,549.79, 1,669,032.27 and 505,380.75

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Solution

The fourth proportional to 1,112,549.79, 1,669,032.27 and 505,380.75 is: 758,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,549.79 : 1,669,032.27 = 505,380.75 : x
  2. Step 2: Convert to fraction form
    1,112,549.79/1,669,032.27 = 505,380.75/x
  3. Step 3: Cross multiply
    1,112,549.79x = 1,669,032.27 × 505,380.75
  4. Step 4: Simplify right side
    1,112,549.79x = 843,496,772,041.64
  5. Step 5: Solve for x
    x = 843,496,772,041.64/1,112,549.79
  6. Step 6: Final answer
    x = 758,165.42

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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.