Home / 1,786,496.24-2,678,238.06-774,856.64

Finding the Fourth Proportional to 1,786,496.24, 2,678,238.06 and 774,856.64

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Solution

The fourth proportional to 1,786,496.24, 2,678,238.06 and 774,856.64 is: 1,161,631.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,496.24 : 2,678,238.06 = 774,856.64 : x
  2. Step 2: Convert to fraction form
    1,786,496.24/2,678,238.06 = 774,856.64/x
  3. Step 3: Cross multiply
    1,786,496.24x = 2,678,238.06 × 774,856.64
  4. Step 4: Simplify right side
    1,786,496.24x = 2,075,250,544,291.72
  5. Step 5: Solve for x
    x = 2,075,250,544,291.72/1,786,496.24
  6. Step 6: Final answer
    x = 1,161,631.63

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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.