Home / 1,042,974.80-1,564,704.81-323,278.32

Finding the Fourth Proportional to 1,042,974.80, 1,564,704.81 and 323,278.32

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Solution

The fourth proportional to 1,042,974.80, 1,564,704.81 and 323,278.32 is: 484,992.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,974.80 : 1,564,704.81 = 323,278.32 : x
  2. Step 2: Convert to fraction form
    1,042,974.80/1,564,704.81 = 323,278.32/x
  3. Step 3: Cross multiply
    1,042,974.80x = 1,564,704.81 × 323,278.32
  4. Step 4: Simplify right side
    1,042,974.80x = 505,835,148,140.36
  5. Step 5: Solve for x
    x = 505,835,148,140.36/1,042,974.80
  6. Step 6: Final answer
    x = 484,992.69

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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.