Home / 1,302,684.90-1,797,495.87-818,907.51

Finding the Fourth Proportional to 1,302,684.90, 1,797,495.87 and 818,907.51

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Solution

The fourth proportional to 1,302,684.90, 1,797,495.87 and 818,907.51 is: 1,129,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,684.90 : 1,797,495.87 = 818,907.51 : x
  2. Step 2: Convert to fraction form
    1,302,684.90/1,797,495.87 = 818,907.51/x
  3. Step 3: Cross multiply
    1,302,684.90x = 1,797,495.87 × 818,907.51
  4. Step 4: Simplify right side
    1,302,684.90x = 1,471,982,867,136.98
  5. Step 5: Solve for x
    x = 1,471,982,867,136.98/1,302,684.90
  6. Step 6: Final answer
    x = 1,129,960.80

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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.