Home / 1,319,389.44-1,979,079.04-477,744.32

Finding the Fourth Proportional to 1,319,389.44, 1,979,079.04 and 477,744.32

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Solution

The fourth proportional to 1,319,389.44, 1,979,079.04 and 477,744.32 is: 716,614.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,389.44 : 1,979,079.04 = 477,744.32 : x
  2. Step 2: Convert to fraction form
    1,319,389.44/1,979,079.04 = 477,744.32/x
  3. Step 3: Cross multiply
    1,319,389.44x = 1,979,079.04 × 477,744.32
  4. Step 4: Simplify right side
    1,319,389.44x = 945,493,770,191.05
  5. Step 5: Solve for x
    x = 945,493,770,191.05/1,319,389.44
  6. Step 6: Final answer
    x = 716,614.63

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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.