Home / 1,645,692.77-2,270,141.56-957,287.14

Finding the Fourth Proportional to 1,645,692.77, 2,270,141.56 and 957,287.14

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Solution

The fourth proportional to 1,645,692.77, 2,270,141.56 and 957,287.14 is: 1,320,524.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,692.77 : 2,270,141.56 = 957,287.14 : x
  2. Step 2: Convert to fraction form
    1,645,692.77/2,270,141.56 = 957,287.14/x
  3. Step 3: Cross multiply
    1,645,692.77x = 2,270,141.56 × 957,287.14
  4. Step 4: Simplify right side
    1,645,692.77x = 2,173,177,321,367.54
  5. Step 5: Solve for x
    x = 2,173,177,321,367.54/1,645,692.77
  6. Step 6: Final answer
    x = 1,320,524.32

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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.