Home / 1,259,859.80-1,887,165.30-1,049,907.80

Finding the Fourth Proportional to 1,259,859.80, 1,887,165.30 and 1,049,907.80

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Solution

The fourth proportional to 1,259,859.80, 1,887,165.30 and 1,049,907.80 is: 1,572,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,859.80 : 1,887,165.30 = 1,049,907.80 : x
  2. Step 2: Convert to fraction form
    1,259,859.80/1,887,165.30 = 1,049,907.80/x
  3. Step 3: Cross multiply
    1,259,859.80x = 1,887,165.30 × 1,049,907.80
  4. Step 4: Simplify right side
    1,259,859.80x = 1,981,349,568,359.34
  5. Step 5: Solve for x
    x = 1,981,349,568,359.34/1,259,859.80
  6. Step 6: Final answer
    x = 1,572,674.65

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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.