Home / 1,181,240.42-1,630,234.22-722,660.40

Finding the Fourth Proportional to 1,181,240.42, 1,630,234.22 and 722,660.40

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Solution

The fourth proportional to 1,181,240.42, 1,630,234.22 and 722,660.40 is: 997,346.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,240.42 : 1,630,234.22 = 722,660.40 : x
  2. Step 2: Convert to fraction form
    1,181,240.42/1,630,234.22 = 722,660.40/x
  3. Step 3: Cross multiply
    1,181,240.42x = 1,630,234.22 × 722,660.40
  4. Step 4: Simplify right side
    1,181,240.42x = 1,178,105,709,905.59
  5. Step 5: Solve for x
    x = 1,178,105,709,905.59/1,181,240.42
  6. Step 6: Final answer
    x = 997,346.26

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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.