Home / 1,992,295.92-2,987,406.24-712,410

Finding the Fourth Proportional to 1,992,295.92, 2,987,406.24 and 712,410

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Solution

The fourth proportional to 1,992,295.92, 2,987,406.24 and 712,410 is: 1,068,243.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,295.92 : 2,987,406.24 = 712,410 : x
  2. Step 2: Convert to fraction form
    1,992,295.92/2,987,406.24 = 712,410/x
  3. Step 3: Cross multiply
    1,992,295.92x = 2,987,406.24 × 712,410
  4. Step 4: Simplify right side
    1,992,295.92x = 2,128,258,079,438.40
  5. Step 5: Solve for x
    x = 2,128,258,079,438.40/1,992,295.92
  6. Step 6: Final answer
    x = 1,068,243.96

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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.