Home / 1,224,716.88-1,690,934.04-1,095,253.68

Finding the Fourth Proportional to 1,224,716.88, 1,690,934.04 and 1,095,253.68

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Solution

The fourth proportional to 1,224,716.88, 1,690,934.04 and 1,095,253.68 is: 1,512,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,716.88 : 1,690,934.04 = 1,095,253.68 : x
  2. Step 2: Convert to fraction form
    1,224,716.88/1,690,934.04 = 1,095,253.68/x
  3. Step 3: Cross multiply
    1,224,716.88x = 1,690,934.04 × 1,095,253.68
  4. Step 4: Simplify right side
    1,224,716.88x = 1,852,001,729,947.27
  5. Step 5: Solve for x
    x = 1,852,001,729,947.27/1,224,716.88
  6. Step 6: Final answer
    x = 1,512,187.64

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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.