Home / 1,109,932.40-1,664,898.60-660,868.40

Finding the Fourth Proportional to 1,109,932.40, 1,664,898.60 and 660,868.40

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Solution

The fourth proportional to 1,109,932.40, 1,664,898.60 and 660,868.40 is: 991,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,932.40 : 1,664,898.60 = 660,868.40 : x
  2. Step 2: Convert to fraction form
    1,109,932.40/1,664,898.60 = 660,868.40/x
  3. Step 3: Cross multiply
    1,109,932.40x = 1,664,898.60 × 660,868.40
  4. Step 4: Simplify right side
    1,109,932.40x = 1,100,278,873,944.24
  5. Step 5: Solve for x
    x = 1,100,278,873,944.24/1,109,932.40
  6. Step 6: Final answer
    x = 991,302.60

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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.