Home / 1,266,276.15-1,747,449.15-685,484.42

Finding the Fourth Proportional to 1,266,276.15, 1,747,449.15 and 685,484.42

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Solution

The fourth proportional to 1,266,276.15, 1,747,449.15 and 685,484.42 is: 945,962.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,276.15 : 1,747,449.15 = 685,484.42 : x
  2. Step 2: Convert to fraction form
    1,266,276.15/1,747,449.15 = 685,484.42/x
  3. Step 3: Cross multiply
    1,266,276.15x = 1,747,449.15 × 685,484.42
  4. Step 4: Simplify right side
    1,266,276.15x = 1,197,849,158,330.00
  5. Step 5: Solve for x
    x = 1,197,849,158,330.00/1,266,276.15
  6. Step 6: Final answer
    x = 945,962.03

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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.