Home / 1,629,615.12-2,248,835.04-904,420.32

Finding the Fourth Proportional to 1,629,615.12, 2,248,835.04 and 904,420.32

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Solution

The fourth proportional to 1,629,615.12, 2,248,835.04 and 904,420.32 is: 1,248,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,615.12 : 2,248,835.04 = 904,420.32 : x
  2. Step 2: Convert to fraction form
    1,629,615.12/2,248,835.04 = 904,420.32/x
  3. Step 3: Cross multiply
    1,629,615.12x = 2,248,835.04 × 904,420.32
  4. Step 4: Simplify right side
    1,629,615.12x = 2,033,892,106,504.01
  5. Step 5: Solve for x
    x = 2,033,892,106,504.01/1,629,615.12
  6. Step 6: Final answer
    x = 1,248,081.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.