Home / 1,448,994.80-2,171,742.60-738,657.20

Finding the Fourth Proportional to 1,448,994.80, 2,171,742.60 and 738,657.20

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Solution

The fourth proportional to 1,448,994.80, 2,171,742.60 and 738,657.20 is: 1,107,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,994.80 : 2,171,742.60 = 738,657.20 : x
  2. Step 2: Convert to fraction form
    1,448,994.80/2,171,742.60 = 738,657.20/x
  3. Step 3: Cross multiply
    1,448,994.80x = 2,171,742.60 × 738,657.20
  4. Step 4: Simplify right side
    1,448,994.80x = 1,604,173,308,036.72
  5. Step 5: Solve for x
    x = 1,604,173,308,036.72/1,448,994.80
  6. Step 6: Final answer
    x = 1,107,093.90

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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.