Home / 1,689,367.98-2,331,327.69-925,421.34

Finding the Fourth Proportional to 1,689,367.98, 2,331,327.69 and 925,421.34

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Solution

The fourth proportional to 1,689,367.98, 2,331,327.69 and 925,421.34 is: 1,277,081.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,367.98 : 2,331,327.69 = 925,421.34 : x
  2. Step 2: Convert to fraction form
    1,689,367.98/2,331,327.69 = 925,421.34/x
  3. Step 3: Cross multiply
    1,689,367.98x = 2,331,327.69 × 925,421.34
  4. Step 4: Simplify right side
    1,689,367.98x = 2,157,460,394,858.90
  5. Step 5: Solve for x
    x = 2,157,460,394,858.90/1,689,367.98
  6. Step 6: Final answer
    x = 1,277,081.38

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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.