Home / 1,417,941.52-2,125,716.72-618,636.80

Finding the Fourth Proportional to 1,417,941.52, 2,125,716.72 and 618,636.80

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Solution

The fourth proportional to 1,417,941.52, 2,125,716.72 and 618,636.80 is: 927,433.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,941.52 : 2,125,716.72 = 618,636.80 : x
  2. Step 2: Convert to fraction form
    1,417,941.52/2,125,716.72 = 618,636.80/x
  3. Step 3: Cross multiply
    1,417,941.52x = 2,125,716.72 × 618,636.80
  4. Step 4: Simplify right side
    1,417,941.52x = 1,315,046,589,367.30
  5. Step 5: Solve for x
    x = 1,315,046,589,367.30/1,417,941.52
  6. Step 6: Final answer
    x = 927,433.59

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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.