Home / 1,019,549.89-1,529,226.01-309,584.17

Finding the Fourth Proportional to 1,019,549.89, 1,529,226.01 and 309,584.17

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Solution

The fourth proportional to 1,019,549.89, 1,529,226.01 and 309,584.17 is: 464,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,549.89 : 1,529,226.01 = 309,584.17 : x
  2. Step 2: Convert to fraction form
    1,019,549.89/1,529,226.01 = 309,584.17/x
  3. Step 3: Cross multiply
    1,019,549.89x = 1,529,226.01 × 309,584.17
  4. Step 4: Simplify right side
    1,019,549.89x = 473,424,165,048.26
  5. Step 5: Solve for x
    x = 473,424,165,048.26/1,019,549.89
  6. Step 6: Final answer
    x = 464,346.25

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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.