Home / 1,721,796.80-2,579,137.67-1,009,680.44

Finding the Fourth Proportional to 1,721,796.80, 2,579,137.67 and 1,009,680.44

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Solution

The fourth proportional to 1,721,796.80, 2,579,137.67 and 1,009,680.44 is: 1,512,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,796.80 : 2,579,137.67 = 1,009,680.44 : x
  2. Step 2: Convert to fraction form
    1,721,796.80/2,579,137.67 = 1,009,680.44/x
  3. Step 3: Cross multiply
    1,721,796.80x = 2,579,137.67 × 1,009,680.44
  4. Step 4: Simplify right side
    1,721,796.80x = 2,604,104,839,522.08
  5. Step 5: Solve for x
    x = 2,604,104,839,522.08/1,721,796.80
  6. Step 6: Final answer
    x = 1,512,434.48

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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.