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Finding the Fourth Proportional to 1,015,146, 1,522,719 and 350,298

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Solution

The fourth proportional to 1,015,146, 1,522,719 and 350,298 is: 525,447

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,146 : 1,522,719 = 350,298 : x
  2. Step 2: Convert to fraction form
    1,015,146/1,522,719 = 350,298/x
  3. Step 3: Cross multiply
    1,015,146x = 1,522,719 × 350,298
  4. Step 4: Simplify right side
    1,015,146x = 533,405,420,262
  5. Step 5: Solve for x
    x = 533,405,420,262/1,015,146
  6. Step 6: Final answer
    x = 525,447

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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.