Home / 1,635,518.21-2,256,964.88-910,347.28

Finding the Fourth Proportional to 1,635,518.21, 2,256,964.88 and 910,347.28

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Solution

The fourth proportional to 1,635,518.21, 2,256,964.88 and 910,347.28 is: 1,256,251.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,518.21 : 2,256,964.88 = 910,347.28 : x
  2. Step 2: Convert to fraction form
    1,635,518.21/2,256,964.88 = 910,347.28/x
  3. Step 3: Cross multiply
    1,635,518.21x = 2,256,964.88 × 910,347.28
  4. Step 4: Simplify right side
    1,635,518.21x = 2,054,621,829,369.38
  5. Step 5: Solve for x
    x = 2,054,621,829,369.38/1,635,518.21
  6. Step 6: Final answer
    x = 1,256,251.27

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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.