Home / 1,182,861.55-1,630,649.37-842,739.31

Finding the Fourth Proportional to 1,182,861.55, 1,630,649.37 and 842,739.31

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Solution

The fourth proportional to 1,182,861.55, 1,630,649.37 and 842,739.31 is: 1,161,769.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,861.55 : 1,630,649.37 = 842,739.31 : x
  2. Step 2: Convert to fraction form
    1,182,861.55/1,630,649.37 = 842,739.31/x
  3. Step 3: Cross multiply
    1,182,861.55x = 1,630,649.37 × 842,739.31
  4. Step 4: Simplify right side
    1,182,861.55x = 1,374,212,324,925.73
  5. Step 5: Solve for x
    x = 1,374,212,324,925.73/1,182,861.55
  6. Step 6: Final answer
    x = 1,161,769.38

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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.