Home / 1,278,362.08-1,762,709.20-1,045,060.86

Finding the Fourth Proportional to 1,278,362.08, 1,762,709.20 and 1,045,060.86

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Solution

The fourth proportional to 1,278,362.08, 1,762,709.20 and 1,045,060.86 is: 1,441,014.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,362.08 : 1,762,709.20 = 1,045,060.86 : x
  2. Step 2: Convert to fraction form
    1,278,362.08/1,762,709.20 = 1,045,060.86/x
  3. Step 3: Cross multiply
    1,278,362.08x = 1,762,709.20 × 1,045,060.86
  4. Step 4: Simplify right side
    1,278,362.08x = 1,842,138,392,481.91
  5. Step 5: Solve for x
    x = 1,842,138,392,481.91/1,278,362.08
  6. Step 6: Final answer
    x = 1,441,014.58

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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.