Home / 1,317,230.08-1,817,861.12-807,863.04

Finding the Fourth Proportional to 1,317,230.08, 1,817,861.12 and 807,863.04

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Solution

The fourth proportional to 1,317,230.08, 1,817,861.12 and 807,863.04 is: 1,114,902.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,230.08 : 1,817,861.12 = 807,863.04 : x
  2. Step 2: Convert to fraction form
    1,317,230.08/1,817,861.12 = 807,863.04/x
  3. Step 3: Cross multiply
    1,317,230.08x = 1,817,861.12 × 807,863.04
  4. Step 4: Simplify right side
    1,317,230.08x = 1,468,582,810,701.01
  5. Step 5: Solve for x
    x = 1,468,582,810,701.01/1,317,230.08
  6. Step 6: Final answer
    x = 1,114,902.27

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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.