Home / 1,101,789.74-1,520,075.90-693,916.94

Finding the Fourth Proportional to 1,101,789.74, 1,520,075.90 and 693,916.94

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Solution

The fourth proportional to 1,101,789.74, 1,520,075.90 and 693,916.94 is: 957,357.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,789.74 : 1,520,075.90 = 693,916.94 : x
  2. Step 2: Convert to fraction form
    1,101,789.74/1,520,075.90 = 693,916.94/x
  3. Step 3: Cross multiply
    1,101,789.74x = 1,520,075.90 × 693,916.94
  4. Step 4: Simplify right side
    1,101,789.74x = 1,054,806,422,630.73
  5. Step 5: Solve for x
    x = 1,054,806,422,630.73/1,101,789.74
  6. Step 6: Final answer
    x = 957,357.27

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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.