Home / 1,890,453.12-2,608,797.12-1,031,011.56

Finding the Fourth Proportional to 1,890,453.12, 2,608,797.12 and 1,031,011.56

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Solution

The fourth proportional to 1,890,453.12, 2,608,797.12 and 1,031,011.56 is: 1,422,780.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,453.12 : 2,608,797.12 = 1,031,011.56 : x
  2. Step 2: Convert to fraction form
    1,890,453.12/2,608,797.12 = 1,031,011.56/x
  3. Step 3: Cross multiply
    1,890,453.12x = 2,608,797.12 × 1,031,011.56
  4. Step 4: Simplify right side
    1,890,453.12x = 2,689,699,988,414.71
  5. Step 5: Solve for x
    x = 2,689,699,988,414.71/1,890,453.12
  6. Step 6: Final answer
    x = 1,422,780.58

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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.