Home / 1,270,985.85-1,906,477.70-324,356.67

Finding the Fourth Proportional to 1,270,985.85, 1,906,477.70 and 324,356.67

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Solution

The fourth proportional to 1,270,985.85, 1,906,477.70 and 324,356.67 is: 486,534.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,985.85 : 1,906,477.70 = 324,356.67 : x
  2. Step 2: Convert to fraction form
    1,270,985.85/1,906,477.70 = 324,356.67/x
  3. Step 3: Cross multiply
    1,270,985.85x = 1,906,477.70 × 324,356.67
  4. Step 4: Simplify right side
    1,270,985.85x = 618,378,756,579.48
  5. Step 5: Solve for x
    x = 618,378,756,579.48/1,270,985.85
  6. Step 6: Final answer
    x = 486,534.73

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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.