Home / 1,181,295.80-1,629,621.42-858,505.40

Finding the Fourth Proportional to 1,181,295.80, 1,629,621.42 and 858,505.40

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Solution

The fourth proportional to 1,181,295.80, 1,629,621.42 and 858,505.40 is: 1,184,325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,295.80 : 1,629,621.42 = 858,505.40 : x
  2. Step 2: Convert to fraction form
    1,181,295.80/1,629,621.42 = 858,505.40/x
  3. Step 3: Cross multiply
    1,181,295.80x = 1,629,621.42 × 858,505.40
  4. Step 4: Simplify right side
    1,181,295.80x = 1,399,038,789,025.67
  5. Step 5: Solve for x
    x = 1,399,038,789,025.67/1,181,295.80
  6. Step 6: Final answer
    x = 1,184,325.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.