Home / 1,008,998.79-1,392,399.54-550,117.33

Finding the Fourth Proportional to 1,008,998.79, 1,392,399.54 and 550,117.33

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Solution

The fourth proportional to 1,008,998.79, 1,392,399.54 and 550,117.33 is: 759,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,998.79 : 1,392,399.54 = 550,117.33 : x
  2. Step 2: Convert to fraction form
    1,008,998.79/1,392,399.54 = 550,117.33/x
  3. Step 3: Cross multiply
    1,008,998.79x = 1,392,399.54 × 550,117.33
  4. Step 4: Simplify right side
    1,008,998.79x = 765,983,117,238.03
  5. Step 5: Solve for x
    x = 765,983,117,238.03/1,008,998.79
  6. Step 6: Final answer
    x = 759,151.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.