Home / 1,243,332.12-1,864,998.18-822,509.58

Finding the Fourth Proportional to 1,243,332.12, 1,864,998.18 and 822,509.58

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Solution

The fourth proportional to 1,243,332.12, 1,864,998.18 and 822,509.58 is: 1,233,764.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,332.12 : 1,864,998.18 = 822,509.58 : x
  2. Step 2: Convert to fraction form
    1,243,332.12/1,864,998.18 = 822,509.58/x
  3. Step 3: Cross multiply
    1,243,332.12x = 1,864,998.18 × 822,509.58
  4. Step 4: Simplify right side
    1,243,332.12x = 1,533,978,869,732.56
  5. Step 5: Solve for x
    x = 1,533,978,869,732.56/1,243,332.12
  6. Step 6: Final answer
    x = 1,233,764.37

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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.