Home / 1,185,314.13-1,635,719.65-641,437.33

Finding the Fourth Proportional to 1,185,314.13, 1,635,719.65 and 641,437.33

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Solution

The fourth proportional to 1,185,314.13, 1,635,719.65 and 641,437.33 is: 885,176.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,314.13 : 1,635,719.65 = 641,437.33 : x
  2. Step 2: Convert to fraction form
    1,185,314.13/1,635,719.65 = 641,437.33/x
  3. Step 3: Cross multiply
    1,185,314.13x = 1,635,719.65 × 641,437.33
  4. Step 4: Simplify right side
    1,185,314.13x = 1,049,211,644,924.53
  5. Step 5: Solve for x
    x = 1,049,211,644,924.53/1,185,314.13
  6. Step 6: Final answer
    x = 885,176.02

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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.