Home / 1,635,490.40-2,256,976.84-910,322.57

Finding the Fourth Proportional to 1,635,490.40, 2,256,976.84 and 910,322.57

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Solution

The fourth proportional to 1,635,490.40, 2,256,976.84 and 910,322.57 is: 1,256,245.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,490.40 : 2,256,976.84 = 910,322.57 : x
  2. Step 2: Convert to fraction form
    1,635,490.40/2,256,976.84 = 910,322.57/x
  3. Step 3: Cross multiply
    1,635,490.40x = 2,256,976.84 × 910,322.57
  4. Step 4: Simplify right side
    1,635,490.40x = 2,054,576,943,858.59
  5. Step 5: Solve for x
    x = 2,054,576,943,858.59/1,635,490.40
  6. Step 6: Final answer
    x = 1,256,245.19

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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.