Home / 1,697,396.72-2,342,469.06-972,384.56

Finding the Fourth Proportional to 1,697,396.72, 2,342,469.06 and 972,384.56

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Solution

The fourth proportional to 1,697,396.72, 2,342,469.06 and 972,384.56 is: 1,341,925.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,396.72 : 2,342,469.06 = 972,384.56 : x
  2. Step 2: Convert to fraction form
    1,697,396.72/2,342,469.06 = 972,384.56/x
  3. Step 3: Cross multiply
    1,697,396.72x = 2,342,469.06 × 972,384.56
  4. Step 4: Simplify right side
    1,697,396.72x = 2,277,780,734,509.37
  5. Step 5: Solve for x
    x = 2,277,780,734,509.37/1,697,396.72
  6. Step 6: Final answer
    x = 1,341,925.97

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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.