Home / 1,478,043.36-2,039,701.23-798,979.86

Finding the Fourth Proportional to 1,478,043.36, 2,039,701.23 and 798,979.86

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Solution

The fourth proportional to 1,478,043.36, 2,039,701.23 and 798,979.86 is: 1,102,592.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,043.36 : 2,039,701.23 = 798,979.86 : x
  2. Step 2: Convert to fraction form
    1,478,043.36/2,039,701.23 = 798,979.86/x
  3. Step 3: Cross multiply
    1,478,043.36x = 2,039,701.23 × 798,979.86
  4. Step 4: Simplify right side
    1,478,043.36x = 1,629,680,203,187.23
  5. Step 5: Solve for x
    x = 1,629,680,203,187.23/1,478,043.36
  6. Step 6: Final answer
    x = 1,102,592.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.