Home / 1,275,186.09-1,756,763.59-887,334.51

Finding the Fourth Proportional to 1,275,186.09, 1,756,763.59 and 887,334.51

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Solution

The fourth proportional to 1,275,186.09, 1,756,763.59 and 887,334.51 is: 1,222,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,186.09 : 1,756,763.59 = 887,334.51 : x
  2. Step 2: Convert to fraction form
    1,275,186.09/1,756,763.59 = 887,334.51/x
  3. Step 3: Cross multiply
    1,275,186.09x = 1,756,763.59 × 887,334.51
  4. Step 4: Simplify right side
    1,275,186.09x = 1,558,836,959,318.49
  5. Step 5: Solve for x
    x = 1,558,836,959,318.49/1,275,186.09
  6. Step 6: Final answer
    x = 1,222,438.80

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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.