Home / 1,356,688.20-2,035,075.62-682,401.28

Finding the Fourth Proportional to 1,356,688.20, 2,035,075.62 and 682,401.28

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Solution

The fourth proportional to 1,356,688.20, 2,035,075.62 and 682,401.28 is: 1,023,623.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,688.20 : 2,035,075.62 = 682,401.28 : x
  2. Step 2: Convert to fraction form
    1,356,688.20/2,035,075.62 = 682,401.28/x
  3. Step 3: Cross multiply
    1,356,688.20x = 2,035,075.62 × 682,401.28
  4. Step 4: Simplify right side
    1,356,688.20x = 1,388,738,207,984.79
  5. Step 5: Solve for x
    x = 1,388,738,207,984.79/1,356,688.20
  6. Step 6: Final answer
    x = 1,023,623.71

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