Home / 1,154,137.44-1,731,072.24-312,752.64

Finding the Fourth Proportional to 1,154,137.44, 1,731,072.24 and 312,752.64

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Solution

The fourth proportional to 1,154,137.44, 1,731,072.24 and 312,752.64 is: 469,092.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,137.44 : 1,731,072.24 = 312,752.64 : x
  2. Step 2: Convert to fraction form
    1,154,137.44/1,731,072.24 = 312,752.64/x
  3. Step 3: Cross multiply
    1,154,137.44x = 1,731,072.24 × 312,752.64
  4. Step 4: Simplify right side
    1,154,137.44x = 541,397,413,090.71
  5. Step 5: Solve for x
    x = 541,397,413,090.71/1,154,137.44
  6. Step 6: Final answer
    x = 469,092.67

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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.