Home / 1,321,602.34-1,823,775.79-777,770.16

Finding the Fourth Proportional to 1,321,602.34, 1,823,775.79 and 777,770.16

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Solution

The fourth proportional to 1,321,602.34, 1,823,775.79 and 777,770.16 is: 1,073,301.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,602.34 : 1,823,775.79 = 777,770.16 : x
  2. Step 2: Convert to fraction form
    1,321,602.34/1,823,775.79 = 777,770.16/x
  3. Step 3: Cross multiply
    1,321,602.34x = 1,823,775.79 × 777,770.16
  4. Step 4: Simplify right side
    1,321,602.34x = 1,418,478,384,103.58
  5. Step 5: Solve for x
    x = 1,418,478,384,103.58/1,321,602.34
  6. Step 6: Final answer
    x = 1,073,301.97

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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.