Home / 1,126,185.76-1,554,167.88-684,659.60

Finding the Fourth Proportional to 1,126,185.76, 1,554,167.88 and 684,659.60

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Solution

The fourth proportional to 1,126,185.76, 1,554,167.88 and 684,659.60 is: 944,849.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,185.76 : 1,554,167.88 = 684,659.60 : x
  2. Step 2: Convert to fraction form
    1,126,185.76/1,554,167.88 = 684,659.60/x
  3. Step 3: Cross multiply
    1,126,185.76x = 1,554,167.88 × 684,659.60
  4. Step 4: Simplify right side
    1,126,185.76x = 1,064,075,959,053.65
  5. Step 5: Solve for x
    x = 1,064,075,959,053.65/1,126,185.76
  6. Step 6: Final answer
    x = 944,849.42

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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.