Home / 1,019,559.35-1,529,239.70-309,593.54

Finding the Fourth Proportional to 1,019,559.35, 1,529,239.70 and 309,593.54

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Solution

The fourth proportional to 1,019,559.35, 1,529,239.70 and 309,593.54 is: 464,360.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,559.35 : 1,529,239.70 = 309,593.54 : x
  2. Step 2: Convert to fraction form
    1,019,559.35/1,529,239.70 = 309,593.54/x
  3. Step 3: Cross multiply
    1,019,559.35x = 1,529,239.70 × 309,593.54
  4. Step 4: Simplify right side
    1,019,559.35x = 473,442,736,828.62
  5. Step 5: Solve for x
    x = 473,442,736,828.62/1,019,559.35
  6. Step 6: Final answer
    x = 464,360.15

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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.