Home / 1,019,361.81-1,529,047.62-309,396

Finding the Fourth Proportional to 1,019,361.81, 1,529,047.62 and 309,396

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Solution

The fourth proportional to 1,019,361.81, 1,529,047.62 and 309,396 is: 464,095.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,361.81 : 1,529,047.62 = 309,396 : x
  2. Step 2: Convert to fraction form
    1,019,361.81/1,529,047.62 = 309,396/x
  3. Step 3: Cross multiply
    1,019,361.81x = 1,529,047.62 × 309,396
  4. Step 4: Simplify right side
    1,019,361.81x = 473,081,217,437.52
  5. Step 5: Solve for x
    x = 473,081,217,437.52/1,019,361.81
  6. Step 6: Final answer
    x = 464,095.49

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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.