Home / 1,224,755.69-1,838,409.82-1,197,278.16

Finding the Fourth Proportional to 1,224,755.69, 1,838,409.82 and 1,197,278.16

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Solution

The fourth proportional to 1,224,755.69, 1,838,409.82 and 1,197,278.16 is: 1,797,164.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,755.69 : 1,838,409.82 = 1,197,278.16 : x
  2. Step 2: Convert to fraction form
    1,224,755.69/1,838,409.82 = 1,197,278.16/x
  3. Step 3: Cross multiply
    1,224,755.69x = 1,838,409.82 × 1,197,278.16
  4. Step 4: Simplify right side
    1,224,755.69x = 2,201,087,927,069.35
  5. Step 5: Solve for x
    x = 2,201,087,927,069.35/1,224,755.69
  6. Step 6: Final answer
    x = 1,797,164.89

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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.