Home / 1,491,761.88-2,237,977.08-545,108.40

Finding the Fourth Proportional to 1,491,761.88, 2,237,977.08 and 545,108.40

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Solution

The fourth proportional to 1,491,761.88, 2,237,977.08 and 545,108.40 is: 817,784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,761.88 : 2,237,977.08 = 545,108.40 : x
  2. Step 2: Convert to fraction form
    1,491,761.88/2,237,977.08 = 545,108.40/x
  3. Step 3: Cross multiply
    1,491,761.88x = 2,237,977.08 × 545,108.40
  4. Step 4: Simplify right side
    1,491,761.88x = 1,219,940,105,315.47
  5. Step 5: Solve for x
    x = 1,219,940,105,315.47/1,491,761.88
  6. Step 6: Final answer
    x = 817,784.74

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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.