Home / 1,534,786.88-2,118,007.20-855,709.76

Finding the Fourth Proportional to 1,534,786.88, 2,118,007.20 and 855,709.76

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Solution

The fourth proportional to 1,534,786.88, 2,118,007.20 and 855,709.76 is: 1,180,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,786.88 : 2,118,007.20 = 855,709.76 : x
  2. Step 2: Convert to fraction form
    1,534,786.88/2,118,007.20 = 855,709.76/x
  3. Step 3: Cross multiply
    1,534,786.88x = 2,118,007.20 × 855,709.76
  4. Step 4: Simplify right side
    1,534,786.88x = 1,812,399,432,790.27
  5. Step 5: Solve for x
    x = 1,812,399,432,790.27/1,534,786.88
  6. Step 6: Final answer
    x = 1,180,880.20

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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.