Home / 1,266,276.66-1,747,449.84-685,484.92

Finding the Fourth Proportional to 1,266,276.66, 1,747,449.84 and 685,484.92

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Solution

The fourth proportional to 1,266,276.66, 1,747,449.84 and 685,484.92 is: 945,962.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,276.66 : 1,747,449.84 = 685,484.92 : x
  2. Step 2: Convert to fraction form
    1,266,276.66/1,747,449.84 = 685,484.92/x
  3. Step 3: Cross multiply
    1,266,276.66x = 1,747,449.84 × 685,484.92
  4. Step 4: Simplify right side
    1,266,276.66x = 1,197,850,513,776.41
  5. Step 5: Solve for x
    x = 1,197,850,513,776.41/1,266,276.66
  6. Step 6: Final answer
    x = 945,962.72

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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.