Home / 1,684,815.53-2,325,011.18-920,874.56

Finding the Fourth Proportional to 1,684,815.53, 2,325,011.18 and 920,874.56

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Solution

The fourth proportional to 1,684,815.53, 2,325,011.18 and 920,874.56 is: 1,270,788.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,815.53 : 2,325,011.18 = 920,874.56 : x
  2. Step 2: Convert to fraction form
    1,684,815.53/2,325,011.18 = 920,874.56/x
  3. Step 3: Cross multiply
    1,684,815.53x = 2,325,011.18 × 920,874.56
  4. Step 4: Simplify right side
    1,684,815.53x = 2,141,043,631,148.15
  5. Step 5: Solve for x
    x = 2,141,043,631,148.15/1,684,815.53
  6. Step 6: Final answer
    x = 1,270,788.17

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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.