Home / 1,225,969.83-1,691,806.10-682,106.67

Finding the Fourth Proportional to 1,225,969.83, 1,691,806.10 and 682,106.67

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Solution

The fourth proportional to 1,225,969.83, 1,691,806.10 and 682,106.67 is: 941,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,969.83 : 1,691,806.10 = 682,106.67 : x
  2. Step 2: Convert to fraction form
    1,225,969.83/1,691,806.10 = 682,106.67/x
  3. Step 3: Cross multiply
    1,225,969.83x = 1,691,806.10 × 682,106.67
  4. Step 4: Simplify right side
    1,225,969.83x = 1,153,992,221,746.15
  5. Step 5: Solve for x
    x = 1,153,992,221,746.15/1,225,969.83
  6. Step 6: Final answer
    x = 941,289.25

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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.