Home / 1,053,885.09-1,580,992.89-343,749.18

Finding the Fourth Proportional to 1,053,885.09, 1,580,992.89 and 343,749.18

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Solution

The fourth proportional to 1,053,885.09, 1,580,992.89 and 343,749.18 is: 515,677.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,885.09 : 1,580,992.89 = 343,749.18 : x
  2. Step 2: Convert to fraction form
    1,053,885.09/1,580,992.89 = 343,749.18/x
  3. Step 3: Cross multiply
    1,053,885.09x = 1,580,992.89 × 343,749.18
  4. Step 4: Simplify right side
    1,053,885.09x = 543,465,009,523.33
  5. Step 5: Solve for x
    x = 543,465,009,523.33/1,053,885.09
  6. Step 6: Final answer
    x = 515,677.67

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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.