Home / 1,673,780.32-2,309,867.28-948,629.44

Finding the Fourth Proportional to 1,673,780.32, 2,309,867.28 and 948,629.44

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Solution

The fourth proportional to 1,673,780.32, 2,309,867.28 and 948,629.44 is: 1,309,137.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,780.32 : 2,309,867.28 = 948,629.44 : x
  2. Step 2: Convert to fraction form
    1,673,780.32/2,309,867.28 = 948,629.44/x
  3. Step 3: Cross multiply
    1,673,780.32x = 2,309,867.28 × 948,629.44
  4. Step 4: Simplify right side
    1,673,780.32x = 2,191,208,104,300.72
  5. Step 5: Solve for x
    x = 2,191,208,104,300.72/1,673,780.32
  6. Step 6: Final answer
    x = 1,309,137.21

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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.