Home / 1,694,014.50-2,540,948.85-431,804.46

Finding the Fourth Proportional to 1,694,014.50, 2,540,948.85 and 431,804.46

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Solution

The fourth proportional to 1,694,014.50, 2,540,948.85 and 431,804.46 is: 647,688.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,014.50 : 2,540,948.85 = 431,804.46 : x
  2. Step 2: Convert to fraction form
    1,694,014.50/2,540,948.85 = 431,804.46/x
  3. Step 3: Cross multiply
    1,694,014.50x = 2,540,948.85 × 431,804.46
  4. Step 4: Simplify right side
    1,694,014.50x = 1,097,193,046,061.87
  5. Step 5: Solve for x
    x = 1,097,193,046,061.87/1,694,014.50
  6. Step 6: Final answer
    x = 647,688.11

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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.