Home / 1,181,768.55-1,630,818.44-722,849.40

Finding the Fourth Proportional to 1,181,768.55, 1,630,818.44 and 722,849.40

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Solution

The fourth proportional to 1,181,768.55, 1,630,818.44 and 722,849.40 is: 997,518.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,768.55 : 1,630,818.44 = 722,849.40 : x
  2. Step 2: Convert to fraction form
    1,181,768.55/1,630,818.44 = 722,849.40/x
  3. Step 3: Cross multiply
    1,181,768.55x = 1,630,818.44 × 722,849.40
  4. Step 4: Simplify right side
    1,181,768.55x = 1,178,836,130,862.94
  5. Step 5: Solve for x
    x = 1,178,836,130,862.94/1,181,768.55
  6. Step 6: Final answer
    x = 997,518.62

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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.