Home / 1,697,478.38-2,342,548.55-972,389.33

Finding the Fourth Proportional to 1,697,478.38, 2,342,548.55 and 972,389.33

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Solution

The fourth proportional to 1,697,478.38, 2,342,548.55 and 972,389.33 is: 1,341,913.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,478.38 : 2,342,548.55 = 972,389.33 : x
  2. Step 2: Convert to fraction form
    1,697,478.38/2,342,548.55 = 972,389.33/x
  3. Step 3: Cross multiply
    1,697,478.38x = 2,342,548.55 × 972,389.33
  4. Step 4: Simplify right side
    1,697,478.38x = 2,277,869,215,026.97
  5. Step 5: Solve for x
    x = 2,277,869,215,026.97/1,697,478.38
  6. Step 6: Final answer
    x = 1,341,913.54

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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.