Home / 1,325,895.72-1,829,748.20-802,618.36

Finding the Fourth Proportional to 1,325,895.72, 1,829,748.20 and 802,618.36

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Solution

The fourth proportional to 1,325,895.72, 1,829,748.20 and 802,618.36 is: 1,107,620.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,895.72 : 1,829,748.20 = 802,618.36 : x
  2. Step 2: Convert to fraction form
    1,325,895.72/1,829,748.20 = 802,618.36/x
  3. Step 3: Cross multiply
    1,325,895.72x = 1,829,748.20 × 802,618.36
  4. Step 4: Simplify right side
    1,325,895.72x = 1,468,589,499,496.95
  5. Step 5: Solve for x
    x = 1,468,589,499,496.95/1,325,895.72
  6. Step 6: Final answer
    x = 1,107,620.67

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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.