Home / 1,381,182.54-1,905,933.93-760,960.62

Finding the Fourth Proportional to 1,381,182.54, 1,905,933.93 and 760,960.62

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Solution

The fourth proportional to 1,381,182.54, 1,905,933.93 and 760,960.62 is: 1,050,071.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,182.54 : 1,905,933.93 = 760,960.62 : x
  2. Step 2: Convert to fraction form
    1,381,182.54/1,905,933.93 = 760,960.62/x
  3. Step 3: Cross multiply
    1,381,182.54x = 1,905,933.93 × 760,960.62
  4. Step 4: Simplify right side
    1,381,182.54x = 1,450,340,660,758.19
  5. Step 5: Solve for x
    x = 1,450,340,660,758.19/1,381,182.54
  6. Step 6: Final answer
    x = 1,050,071.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.