Home / 1,697,395.72-2,342,467.68-972,383.56

Finding the Fourth Proportional to 1,697,395.72, 2,342,467.68 and 972,383.56

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Solution

The fourth proportional to 1,697,395.72, 2,342,467.68 and 972,383.56 is: 1,341,924.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,395.72 : 2,342,467.68 = 972,383.56 : x
  2. Step 2: Convert to fraction form
    1,697,395.72/2,342,467.68 = 972,383.56/x
  3. Step 3: Cross multiply
    1,697,395.72x = 2,342,467.68 × 972,383.56
  4. Step 4: Simplify right side
    1,697,395.72x = 2,277,777,050,151.00
  5. Step 5: Solve for x
    x = 2,277,777,050,151.00/1,697,395.72
  6. Step 6: Final answer
    x = 1,341,924.59

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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.