Home / 1,096,165.40-1,642,692.90-809,619.80

Finding the Fourth Proportional to 1,096,165.40, 1,642,692.90 and 809,619.80

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Solution

The fourth proportional to 1,096,165.40, 1,642,692.90 and 809,619.80 is: 1,213,281.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,165.40 : 1,642,692.90 = 809,619.80 : x
  2. Step 2: Convert to fraction form
    1,096,165.40/1,642,692.90 = 809,619.80/x
  3. Step 3: Cross multiply
    1,096,165.40x = 1,642,692.90 × 809,619.80
  4. Step 4: Simplify right side
    1,096,165.40x = 1,329,956,697,159.42
  5. Step 5: Solve for x
    x = 1,329,956,697,159.42/1,096,165.40
  6. Step 6: Final answer
    x = 1,213,281.04

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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.