Home / 1,480,022.60-2,219,644.92-638,387.24

Finding the Fourth Proportional to 1,480,022.60, 2,219,644.92 and 638,387.24

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Solution

The fourth proportional to 1,480,022.60, 2,219,644.92 and 638,387.24 is: 957,413.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,022.60 : 2,219,644.92 = 638,387.24 : x
  2. Step 2: Convert to fraction form
    1,480,022.60/2,219,644.92 = 638,387.24/x
  3. Step 3: Cross multiply
    1,480,022.60x = 2,219,644.92 × 638,387.24
  4. Step 4: Simplify right side
    1,480,022.60x = 1,416,992,994,258.82
  5. Step 5: Solve for x
    x = 1,416,992,994,258.82/1,480,022.60
  6. Step 6: Final answer
    x = 957,413.08

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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.