Home / 1,185,287.46-1,635,696.64-641,423.26

Finding the Fourth Proportional to 1,185,287.46, 1,635,696.64 and 641,423.26

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Solution

The fourth proportional to 1,185,287.46, 1,635,696.64 and 641,423.26 is: 885,164.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,287.46 : 1,635,696.64 = 641,423.26 : x
  2. Step 2: Convert to fraction form
    1,185,287.46/1,635,696.64 = 641,423.26/x
  3. Step 3: Cross multiply
    1,185,287.46x = 1,635,696.64 × 641,423.26
  4. Step 4: Simplify right side
    1,185,287.46x = 1,049,173,869,596.29
  5. Step 5: Solve for x
    x = 1,049,173,869,596.29/1,185,287.46
  6. Step 6: Final answer
    x = 885,164.07

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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.