Home / 1,631,867.73-2,447,222.34-478,792.47

Finding the Fourth Proportional to 1,631,867.73, 2,447,222.34 and 478,792.47

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Solution

The fourth proportional to 1,631,867.73, 2,447,222.34 and 478,792.47 is: 718,018.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,867.73 : 2,447,222.34 = 478,792.47 : x
  2. Step 2: Convert to fraction form
    1,631,867.73/2,447,222.34 = 478,792.47/x
  3. Step 3: Cross multiply
    1,631,867.73x = 2,447,222.34 × 478,792.47
  4. Step 4: Simplify right side
    1,631,867.73x = 1,171,711,628,807.78
  5. Step 5: Solve for x
    x = 1,171,711,628,807.78/1,631,867.73
  6. Step 6: Final answer
    x = 718,018.75

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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.