Home / 1,269,072-1,903,403.76-370,302.72

Finding the Fourth Proportional to 1,269,072, 1,903,403.76 and 370,302.72

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Solution

The fourth proportional to 1,269,072, 1,903,403.76 and 370,302.72 is: 555,394.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,072 : 1,903,403.76 = 370,302.72 : x
  2. Step 2: Convert to fraction form
    1,269,072/1,903,403.76 = 370,302.72/x
  3. Step 3: Cross multiply
    1,269,072x = 1,903,403.76 × 370,302.72
  4. Step 4: Simplify right side
    1,269,072x = 704,835,589,586.23
  5. Step 5: Solve for x
    x = 704,835,589,586.23/1,269,072
  6. Step 6: Final answer
    x = 555,394.48

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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.