Home / 1,697,391.28-2,342,222.79-972,269.56

Finding the Fourth Proportional to 1,697,391.28, 2,342,222.79 and 972,269.56

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Solution

The fourth proportional to 1,697,391.28, 2,342,222.79 and 972,269.56 is: 1,341,630.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,391.28 : 2,342,222.79 = 972,269.56 : x
  2. Step 2: Convert to fraction form
    1,697,391.28/2,342,222.79 = 972,269.56/x
  3. Step 3: Cross multiply
    1,697,391.28x = 2,342,222.79 × 972,269.56
  4. Step 4: Simplify right side
    1,697,391.28x = 2,277,271,921,455.27
  5. Step 5: Solve for x
    x = 2,277,271,921,455.27/1,697,391.28
  6. Step 6: Final answer
    x = 1,341,630.51

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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.