Home / 821,194.77-1,133,749.80-770,368.89

Finding the Fourth Proportional to 821,194.77, 1,133,749.80 and 770,368.89

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Solution

The fourth proportional to 821,194.77, 1,133,749.80 and 770,368.89 is: 1,063,579.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,194.77 : 1,133,749.80 = 770,368.89 : x
  2. Step 2: Convert to fraction form
    821,194.77/1,133,749.80 = 770,368.89/x
  3. Step 3: Cross multiply
    821,194.77x = 1,133,749.80 × 770,368.89
  4. Step 4: Simplify right side
    821,194.77x = 873,405,574,963.72
  5. Step 5: Solve for x
    x = 873,405,574,963.72/821,194.77
  6. Step 6: Final answer
    x = 1,063,579.08

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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.