Home / 1,928,147.56-2,891,554.71-790,586.80

Finding the Fourth Proportional to 1,928,147.56, 2,891,554.71 and 790,586.80

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Solution

The fourth proportional to 1,928,147.56, 2,891,554.71 and 790,586.80 is: 1,185,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,147.56 : 2,891,554.71 = 790,586.80 : x
  2. Step 2: Convert to fraction form
    1,928,147.56/2,891,554.71 = 790,586.80/x
  3. Step 3: Cross multiply
    1,928,147.56x = 2,891,554.71 × 790,586.80
  4. Step 4: Simplify right side
    1,928,147.56x = 2,286,024,985,203.83
  5. Step 5: Solve for x
    x = 2,286,024,985,203.83/1,928,147.56
  6. Step 6: Final answer
    x = 1,185,606.87

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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.