Home / 1,381,175.46-2,071,218.87-670,993.38

Finding the Fourth Proportional to 1,381,175.46, 2,071,218.87 and 670,993.38

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Solution

The fourth proportional to 1,381,175.46, 2,071,218.87 and 670,993.38 is: 1,006,225.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,175.46 : 2,071,218.87 = 670,993.38 : x
  2. Step 2: Convert to fraction form
    1,381,175.46/2,071,218.87 = 670,993.38/x
  3. Step 3: Cross multiply
    1,381,175.46x = 2,071,218.87 × 670,993.38
  4. Step 4: Simplify right side
    1,381,175.46x = 1,389,774,150,301.08
  5. Step 5: Solve for x
    x = 1,389,774,150,301.08/1,381,175.46
  6. Step 6: Final answer
    x = 1,006,225.63

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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.