Home / 1,478,960.76-2,218,441.16-481,688.76

Finding the Fourth Proportional to 1,478,960.76, 2,218,441.16 and 481,688.76

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Solution

The fourth proportional to 1,478,960.76, 2,218,441.16 and 481,688.76 is: 722,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,960.76 : 2,218,441.16 = 481,688.76 : x
  2. Step 2: Convert to fraction form
    1,478,960.76/2,218,441.16 = 481,688.76/x
  3. Step 3: Cross multiply
    1,478,960.76x = 2,218,441.16 × 481,688.76
  4. Step 4: Simplify right side
    1,478,960.76x = 1,068,598,171,493.36
  5. Step 5: Solve for x
    x = 1,068,598,171,493.36/1,478,960.76
  6. Step 6: Final answer
    x = 722,533.15

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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.