Home / 1,571,121-2,168,239.86-1,183,252.32

Finding the Fourth Proportional to 1,571,121, 2,168,239.86 and 1,183,252.32

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Solution

The fourth proportional to 1,571,121, 2,168,239.86 and 1,183,252.32 is: 1,632,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,121 : 2,168,239.86 = 1,183,252.32 : x
  2. Step 2: Convert to fraction form
    1,571,121/2,168,239.86 = 1,183,252.32/x
  3. Step 3: Cross multiply
    1,571,121x = 2,168,239.86 × 1,183,252.32
  4. Step 4: Simplify right side
    1,571,121x = 2,565,574,844,661.48
  5. Step 5: Solve for x
    x = 2,565,574,844,661.48/1,571,121
  6. Step 6: Final answer
    x = 1,632,958.15

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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.