Home / 1,181,350.50-1,630,263.70-644,806.50

Finding the Fourth Proportional to 1,181,350.50, 1,630,263.70 and 644,806.50

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Solution

The fourth proportional to 1,181,350.50, 1,630,263.70 and 644,806.50 is: 889,832.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,350.50 : 1,630,263.70 = 644,806.50 : x
  2. Step 2: Convert to fraction form
    1,181,350.50/1,630,263.70 = 644,806.50/x
  3. Step 3: Cross multiply
    1,181,350.50x = 1,630,263.70 × 644,806.50
  4. Step 4: Simplify right side
    1,181,350.50x = 1,051,204,630,474.05
  5. Step 5: Solve for x
    x = 1,051,204,630,474.05/1,181,350.50
  6. Step 6: Final answer
    x = 889,832.98

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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.