Home / 1,631,868.73-2,447,223.84-478,793.47

Finding the Fourth Proportional to 1,631,868.73, 2,447,223.84 and 478,793.47

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Solution

The fourth proportional to 1,631,868.73, 2,447,223.84 and 478,793.47 is: 718,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,868.73 : 2,447,223.84 = 478,793.47 : x
  2. Step 2: Convert to fraction form
    1,631,868.73/2,447,223.84 = 478,793.47/x
  3. Step 3: Cross multiply
    1,631,868.73x = 2,447,223.84 × 478,793.47
  4. Step 4: Simplify right side
    1,631,868.73x = 1,171,714,794,220.32
  5. Step 5: Solve for x
    x = 1,171,714,794,220.32/1,631,868.73
  6. Step 6: Final answer
    x = 718,020.25

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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.