Home / 1,026,900-1,540,555.20-316,901.34

Finding the Fourth Proportional to 1,026,900, 1,540,555.20 and 316,901.34

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Solution

The fourth proportional to 1,026,900, 1,540,555.20 and 316,901.34 is: 475,415.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,900 : 1,540,555.20 = 316,901.34 : x
  2. Step 2: Convert to fraction form
    1,026,900/1,540,555.20 = 316,901.34/x
  3. Step 3: Cross multiply
    1,026,900x = 1,540,555.20 × 316,901.34
  4. Step 4: Simplify right side
    1,026,900x = 488,204,007,223.97
  5. Step 5: Solve for x
    x = 488,204,007,223.97/1,026,900
  6. Step 6: Final answer
    x = 475,415.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.