Home / 1,019,434.24-1,529,112.40-309,433.60

Finding the Fourth Proportional to 1,019,434.24, 1,529,112.40 and 309,433.60

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Solution

The fourth proportional to 1,019,434.24, 1,529,112.40 and 309,433.60 is: 464,138.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,434.24 : 1,529,112.40 = 309,433.60 : x
  2. Step 2: Convert to fraction form
    1,019,434.24/1,529,112.40 = 309,433.60/x
  3. Step 3: Cross multiply
    1,019,434.24x = 1,529,112.40 × 309,433.60
  4. Step 4: Simplify right side
    1,019,434.24x = 473,158,754,736.64
  5. Step 5: Solve for x
    x = 473,158,754,736.64/1,019,434.24
  6. Step 6: Final answer
    x = 464,138.57

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1.5x scale

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.