Home / 668,002.74-1,001,995.62-162,564.56

Finding the Fourth Proportional to 668,002.74, 1,001,995.62 and 162,564.56

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Solution

The fourth proportional to 668,002.74, 1,001,995.62 and 162,564.56 is: 243,844.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,002.74 : 1,001,995.62 = 162,564.56 : x
  2. Step 2: Convert to fraction form
    668,002.74/1,001,995.62 = 162,564.56/x
  3. Step 3: Cross multiply
    668,002.74x = 1,001,995.62 × 162,564.56
  4. Step 4: Simplify right side
    668,002.74x = 162,888,977,087.23
  5. Step 5: Solve for x
    x = 162,888,977,087.23/668,002.74
  6. Step 6: Final answer
    x = 243,844.77

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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.