Home / 1,383,401.35-2,075,102.03-1,277,113.15

Finding the Fourth Proportional to 1,383,401.35, 2,075,102.03 and 1,277,113.15

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Solution

The fourth proportional to 1,383,401.35, 2,075,102.03 and 1,277,113.15 is: 1,915,669.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,401.35 : 2,075,102.03 = 1,277,113.15 : x
  2. Step 2: Convert to fraction form
    1,383,401.35/2,075,102.03 = 1,277,113.15/x
  3. Step 3: Cross multiply
    1,383,401.35x = 2,075,102.03 × 1,277,113.15
  4. Step 4: Simplify right side
    1,383,401.35x = 2,650,140,083,719.13
  5. Step 5: Solve for x
    x = 2,650,140,083,719.13/1,383,401.35
  6. Step 6: Final answer
    x = 1,915,669.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.