Home / 1,988,707.91-2,983,819.26-692,004.36

Finding the Fourth Proportional to 1,988,707.91, 2,983,819.26 and 692,004.36

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Solution

The fourth proportional to 1,988,707.91, 2,983,819.26 and 692,004.36 is: 1,038,270.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,707.91 : 2,983,819.26 = 692,004.36 : x
  2. Step 2: Convert to fraction form
    1,988,707.91/2,983,819.26 = 692,004.36/x
  3. Step 3: Cross multiply
    1,988,707.91x = 2,983,819.26 × 692,004.36
  4. Step 4: Simplify right side
    1,988,707.91x = 2,064,815,933,911.95
  5. Step 5: Solve for x
    x = 2,064,815,933,911.95/1,988,707.91
  6. Step 6: Final answer
    x = 1,038,270.09

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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.