Home / 1,108,823.08-1,661,820.54-540,339.88

Finding the Fourth Proportional to 1,108,823.08, 1,661,820.54 and 540,339.88

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Solution

The fourth proportional to 1,108,823.08, 1,661,820.54 and 540,339.88 is: 809,820.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,823.08 : 1,661,820.54 = 540,339.88 : x
  2. Step 2: Convert to fraction form
    1,108,823.08/1,661,820.54 = 540,339.88/x
  3. Step 3: Cross multiply
    1,108,823.08x = 1,661,820.54 × 540,339.88
  4. Step 4: Simplify right side
    1,108,823.08x = 897,947,911,165.14
  5. Step 5: Solve for x
    x = 897,947,911,165.14/1,108,823.08
  6. Step 6: Final answer
    x = 809,820.73

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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.