Home / 1,312,744.32-1,969,107.84-366,120

Finding the Fourth Proportional to 1,312,744.32, 1,969,107.84 and 366,120

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Solution

The fourth proportional to 1,312,744.32, 1,969,107.84 and 366,120 is: 549,177.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,744.32 : 1,969,107.84 = 366,120 : x
  2. Step 2: Convert to fraction form
    1,312,744.32/1,969,107.84 = 366,120/x
  3. Step 3: Cross multiply
    1,312,744.32x = 1,969,107.84 × 366,120
  4. Step 4: Simplify right side
    1,312,744.32x = 720,929,762,380.80
  5. Step 5: Solve for x
    x = 720,929,762,380.80/1,312,744.32
  6. Step 6: Final answer
    x = 549,177.59

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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.