Home / 1,181,774.78-1,630,827.05-722,855.64

Finding the Fourth Proportional to 1,181,774.78, 1,630,827.05 and 722,855.64

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Solution

The fourth proportional to 1,181,774.78, 1,630,827.05 and 722,855.64 is: 997,527.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,774.78 : 1,630,827.05 = 722,855.64 : x
  2. Step 2: Convert to fraction form
    1,181,774.78/1,630,827.05 = 722,855.64/x
  3. Step 3: Cross multiply
    1,181,774.78x = 1,630,827.05 × 722,855.64
  4. Step 4: Simplify right side
    1,181,774.78x = 1,178,852,527,342.78
  5. Step 5: Solve for x
    x = 1,178,852,527,342.78/1,181,774.78
  6. Step 6: Final answer
    x = 997,527.24

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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.