Home / 1,014,602.80-1,521,969.78-340,656.88

Finding the Fourth Proportional to 1,014,602.80, 1,521,969.78 and 340,656.88

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Solution

The fourth proportional to 1,014,602.80, 1,521,969.78 and 340,656.88 is: 511,007.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,602.80 : 1,521,969.78 = 340,656.88 : x
  2. Step 2: Convert to fraction form
    1,014,602.80/1,521,969.78 = 340,656.88/x
  3. Step 3: Cross multiply
    1,014,602.80x = 1,521,969.78 × 340,656.88
  4. Step 4: Simplify right side
    1,014,602.80x = 518,469,476,709.09
  5. Step 5: Solve for x
    x = 518,469,476,709.09/1,014,602.80
  6. Step 6: Final answer
    x = 511,007.34

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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.