Home / 1,191,339.04-1,787,229.92-392,676.64

Finding the Fourth Proportional to 1,191,339.04, 1,787,229.92 and 392,676.64

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Solution

The fourth proportional to 1,191,339.04, 1,787,229.92 and 392,676.64 is: 589,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,339.04 : 1,787,229.92 = 392,676.64 : x
  2. Step 2: Convert to fraction form
    1,191,339.04/1,787,229.92 = 392,676.64/x
  3. Step 3: Cross multiply
    1,191,339.04x = 1,787,229.92 × 392,676.64
  4. Step 4: Simplify right side
    1,191,339.04x = 701,803,439,893.07
  5. Step 5: Solve for x
    x = 701,803,439,893.07/1,191,339.04
  6. Step 6: Final answer
    x = 589,087.92

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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.