Home / 1,503,120.42-2,255,054.31-438,171.84

Finding the Fourth Proportional to 1,503,120.42, 2,255,054.31 and 438,171.84

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Solution

The fourth proportional to 1,503,120.42, 2,255,054.31 and 438,171.84 is: 657,366.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,120.42 : 2,255,054.31 = 438,171.84 : x
  2. Step 2: Convert to fraction form
    1,503,120.42/2,255,054.31 = 438,171.84/x
  3. Step 3: Cross multiply
    1,503,120.42x = 2,255,054.31 × 438,171.84
  4. Step 4: Simplify right side
    1,503,120.42x = 988,101,296,312.63
  5. Step 5: Solve for x
    x = 988,101,296,312.63/1,503,120.42
  6. Step 6: Final answer
    x = 657,366.69

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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.