Home / 1,278,366.15-1,762,714.79-1,045,064.92

Finding the Fourth Proportional to 1,278,366.15, 1,762,714.79 and 1,045,064.92

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Solution

The fourth proportional to 1,278,366.15, 1,762,714.79 and 1,045,064.92 is: 1,441,020.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,366.15 : 1,762,714.79 = 1,045,064.92 : x
  2. Step 2: Convert to fraction form
    1,278,366.15/1,762,714.79 = 1,045,064.92/x
  3. Step 3: Cross multiply
    1,278,366.15x = 1,762,714.79 × 1,045,064.92
  4. Step 4: Simplify right side
    1,278,366.15x = 1,842,151,394,464.63
  5. Step 5: Solve for x
    x = 1,842,151,394,464.63/1,278,366.15
  6. Step 6: Final answer
    x = 1,441,020.16

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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.