Home / 1,131,509.70-1,697,264.55-985,363.43

Finding the Fourth Proportional to 1,131,509.70, 1,697,264.55 and 985,363.43

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Solution

The fourth proportional to 1,131,509.70, 1,697,264.55 and 985,363.43 is: 1,478,045.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,509.70 : 1,697,264.55 = 985,363.43 : x
  2. Step 2: Convert to fraction form
    1,131,509.70/1,697,264.55 = 985,363.43/x
  3. Step 3: Cross multiply
    1,131,509.70x = 1,697,264.55 × 985,363.43
  4. Step 4: Simplify right side
    1,131,509.70x = 1,672,422,410,119.08
  5. Step 5: Solve for x
    x = 1,672,422,410,119.08/1,131,509.70
  6. Step 6: Final answer
    x = 1,478,045.14

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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.