Home / 1,448,768.80-2,171,403.60-738,431.20

Finding the Fourth Proportional to 1,448,768.80, 2,171,403.60 and 738,431.20

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Solution

The fourth proportional to 1,448,768.80, 2,171,403.60 and 738,431.20 is: 1,106,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,768.80 : 2,171,403.60 = 738,431.20 : x
  2. Step 2: Convert to fraction form
    1,448,768.80/2,171,403.60 = 738,431.20/x
  3. Step 3: Cross multiply
    1,448,768.80x = 2,171,403.60 × 738,431.20
  4. Step 4: Simplify right side
    1,448,768.80x = 1,603,432,166,032.32
  5. Step 5: Solve for x
    x = 1,603,432,166,032.32/1,448,768.80
  6. Step 6: Final answer
    x = 1,106,755.04

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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.