Home / 1,082,020.68-1,492,282.44-810,725.76

Finding the Fourth Proportional to 1,082,020.68, 1,492,282.44 and 810,725.76

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Solution

The fourth proportional to 1,082,020.68, 1,492,282.44 and 810,725.76 is: 1,118,122.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,020.68 : 1,492,282.44 = 810,725.76 : x
  2. Step 2: Convert to fraction form
    1,082,020.68/1,492,282.44 = 810,725.76/x
  3. Step 3: Cross multiply
    1,082,020.68x = 1,492,282.44 × 810,725.76
  4. Step 4: Simplify right side
    1,082,020.68x = 1,209,831,815,303.65
  5. Step 5: Solve for x
    x = 1,209,831,815,303.65/1,082,020.68
  6. Step 6: Final answer
    x = 1,118,122.64

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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.