Home / 1,309,962-1,964,942.64-363,332.82

Finding the Fourth Proportional to 1,309,962, 1,964,942.64 and 363,332.82

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Solution

The fourth proportional to 1,309,962, 1,964,942.64 and 363,332.82 is: 544,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,962 : 1,964,942.64 = 363,332.82 : x
  2. Step 2: Convert to fraction form
    1,309,962/1,964,942.64 = 363,332.82/x
  3. Step 3: Cross multiply
    1,309,962x = 1,964,942.64 × 363,332.82
  4. Step 4: Simplify right side
    1,309,962x = 713,928,150,529.45
  5. Step 5: Solve for x
    x = 713,928,150,529.45/1,309,962
  6. Step 6: Final answer
    x = 544,999.13

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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.