Home / 1,160,809.20-1,741,213.80-319,359.60

Finding the Fourth Proportional to 1,160,809.20, 1,741,213.80 and 319,359.60

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Solution

The fourth proportional to 1,160,809.20, 1,741,213.80 and 319,359.60 is: 479,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,809.20 : 1,741,213.80 = 319,359.60 : x
  2. Step 2: Convert to fraction form
    1,160,809.20/1,741,213.80 = 319,359.60/x
  3. Step 3: Cross multiply
    1,160,809.20x = 1,741,213.80 × 319,359.60
  4. Step 4: Simplify right side
    1,160,809.20x = 556,073,342,682.48
  5. Step 5: Solve for x
    x = 556,073,342,682.48/1,160,809.20
  6. Step 6: Final answer
    x = 479,039.40

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1.5x scale

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.