Home / 1,792,422.21-2,689,754.15-727,464.16

Finding the Fourth Proportional to 1,792,422.21, 2,689,754.15 and 727,464.16

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Solution

The fourth proportional to 1,792,422.21, 2,689,754.15 and 727,464.16 is: 1,091,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,422.21 : 2,689,754.15 = 727,464.16 : x
  2. Step 2: Convert to fraction form
    1,792,422.21/2,689,754.15 = 727,464.16/x
  3. Step 3: Cross multiply
    1,792,422.21x = 2,689,754.15 × 727,464.16
  4. Step 4: Simplify right side
    1,792,422.21x = 1,956,699,738,430.54
  5. Step 5: Solve for x
    x = 1,956,699,738,430.54/1,792,422.21
  6. Step 6: Final answer
    x = 1,091,651.13

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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.