Home / 1,100,316.88-1,650,334.92-425,936.67

Finding the Fourth Proportional to 1,100,316.88, 1,650,334.92 and 425,936.67

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Solution

The fourth proportional to 1,100,316.88, 1,650,334.92 and 425,936.67 is: 638,850.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,316.88 : 1,650,334.92 = 425,936.67 : x
  2. Step 2: Convert to fraction form
    1,100,316.88/1,650,334.92 = 425,936.67/x
  3. Step 3: Cross multiply
    1,100,316.88x = 1,650,334.92 × 425,936.67
  4. Step 4: Simplify right side
    1,100,316.88x = 702,938,160,209.52
  5. Step 5: Solve for x
    x = 702,938,160,209.52/1,100,316.88
  6. Step 6: Final answer
    x = 638,850.66

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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.