Home / 1,281,969.51-1,769,662.65-798,773.39

Finding the Fourth Proportional to 1,281,969.51, 1,769,662.65 and 798,773.39

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Solution

The fourth proportional to 1,281,969.51, 1,769,662.65 and 798,773.39 is: 1,102,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,969.51 : 1,769,662.65 = 798,773.39 : x
  2. Step 2: Convert to fraction form
    1,281,969.51/1,769,662.65 = 798,773.39/x
  3. Step 3: Cross multiply
    1,281,969.51x = 1,769,662.65 × 798,773.39
  4. Step 4: Simplify right side
    1,281,969.51x = 1,413,559,429,021.75
  5. Step 5: Solve for x
    x = 1,413,559,429,021.75/1,281,969.51
  6. Step 6: Final answer
    x = 1,102,646.68

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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.