Home / 1,550,676.75-2,139,620.33-905,972.38

Finding the Fourth Proportional to 1,550,676.75, 2,139,620.33 and 905,972.38

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Solution

The fourth proportional to 1,550,676.75, 2,139,620.33 and 905,972.38 is: 1,250,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,676.75 : 2,139,620.33 = 905,972.38 : x
  2. Step 2: Convert to fraction form
    1,550,676.75/2,139,620.33 = 905,972.38/x
  3. Step 3: Cross multiply
    1,550,676.75x = 2,139,620.33 × 905,972.38
  4. Step 4: Simplify right side
    1,550,676.75x = 1,938,436,922,666.49
  5. Step 5: Solve for x
    x = 1,938,436,922,666.49/1,550,676.75
  6. Step 6: Final answer
    x = 1,250,058.67

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1.5x scale

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.