Home / 1,019,548.89-1,529,224.52-309,583.17

Finding the Fourth Proportional to 1,019,548.89, 1,529,224.52 and 309,583.17

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Solution

The fourth proportional to 1,019,548.89, 1,529,224.52 and 309,583.17 is: 464,344.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,548.89 : 1,529,224.52 = 309,583.17 : x
  2. Step 2: Convert to fraction form
    1,019,548.89/1,529,224.52 = 309,583.17/x
  3. Step 3: Cross multiply
    1,019,548.89x = 1,529,224.52 × 309,583.17
  4. Step 4: Simplify right side
    1,019,548.89x = 473,422,172,995.41
  5. Step 5: Solve for x
    x = 473,422,172,995.41/1,019,548.89
  6. Step 6: Final answer
    x = 464,344.75

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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.