Home / 1,191,990.40-1,790,059.20-632,118.40

Finding the Fourth Proportional to 1,191,990.40, 1,790,059.20 and 632,118.40

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Solution

The fourth proportional to 1,191,990.40, 1,790,059.20 and 632,118.40 is: 949,277.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,990.40 : 1,790,059.20 = 632,118.40 : x
  2. Step 2: Convert to fraction form
    1,191,990.40/1,790,059.20 = 632,118.40/x
  3. Step 3: Cross multiply
    1,191,990.40x = 1,790,059.20 × 632,118.40
  4. Step 4: Simplify right side
    1,191,990.40x = 1,131,529,357,409.28
  5. Step 5: Solve for x
    x = 1,131,529,357,409.28/1,191,990.40
  6. Step 6: Final answer
    x = 949,277.24

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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.