Home / 1,670,621.28-2,505,370.32-605,440.32

Finding the Fourth Proportional to 1,670,621.28, 2,505,370.32 and 605,440.32

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Solution

The fourth proportional to 1,670,621.28, 2,505,370.32 and 605,440.32 is: 907,956.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,621.28 : 2,505,370.32 = 605,440.32 : x
  2. Step 2: Convert to fraction form
    1,670,621.28/2,505,370.32 = 605,440.32/x
  3. Step 3: Cross multiply
    1,670,621.28x = 2,505,370.32 × 605,440.32
  4. Step 4: Simplify right side
    1,670,621.28x = 1,516,852,208,259.30
  5. Step 5: Solve for x
    x = 1,516,852,208,259.30/1,670,621.28
  6. Step 6: Final answer
    x = 907,956.95

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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.