Home / 1,503,137.70-2,255,080.23-438,189.12

Finding the Fourth Proportional to 1,503,137.70, 2,255,080.23 and 438,189.12

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Solution

The fourth proportional to 1,503,137.70, 2,255,080.23 and 438,189.12 is: 657,392.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,137.70 : 2,255,080.23 = 438,189.12 : x
  2. Step 2: Convert to fraction form
    1,503,137.70/2,255,080.23 = 438,189.12/x
  3. Step 3: Cross multiply
    1,503,137.70x = 2,255,080.23 × 438,189.12
  4. Step 4: Simplify right side
    1,503,137.70x = 988,151,621,513.10
  5. Step 5: Solve for x
    x = 988,151,621,513.10/1,503,137.70
  6. Step 6: Final answer
    x = 657,392.61

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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.