Home / 1,989,944.64-2,983,036.32-792,606.24

Finding the Fourth Proportional to 1,989,944.64, 2,983,036.32 and 792,606.24

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Solution

The fourth proportional to 1,989,944.64, 2,983,036.32 and 792,606.24 is: 1,188,160.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,944.64 : 2,983,036.32 = 792,606.24 : x
  2. Step 2: Convert to fraction form
    1,989,944.64/2,983,036.32 = 792,606.24/x
  3. Step 3: Cross multiply
    1,989,944.64x = 2,983,036.32 × 792,606.24
  4. Step 4: Simplify right side
    1,989,944.64x = 2,364,373,201,378.64
  5. Step 5: Solve for x
    x = 2,364,373,201,378.64/1,989,944.64
  6. Step 6: Final answer
    x = 1,188,160.29

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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.