Home / 1,110,289.52-1,665,664.68-445,493.36

Finding the Fourth Proportional to 1,110,289.52, 1,665,664.68 and 445,493.36

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Solution

The fourth proportional to 1,110,289.52, 1,665,664.68 and 445,493.36 is: 668,332.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,289.52 : 1,665,664.68 = 445,493.36 : x
  2. Step 2: Convert to fraction form
    1,110,289.52/1,665,664.68 = 445,493.36/x
  3. Step 3: Cross multiply
    1,110,289.52x = 1,665,664.68 × 445,493.36
  4. Step 4: Simplify right side
    1,110,289.52x = 742,042,554,926.53
  5. Step 5: Solve for x
    x = 742,042,554,926.53/1,110,289.52
  6. Step 6: Final answer
    x = 668,332.49

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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.