Home / 1,376,497.94-1,899,870.75-764,860.86

Finding the Fourth Proportional to 1,376,497.94, 1,899,870.75 and 764,860.86

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Solution

The fourth proportional to 1,376,497.94, 1,899,870.75 and 764,860.86 is: 1,055,676.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,497.94 : 1,899,870.75 = 764,860.86 : x
  2. Step 2: Convert to fraction form
    1,376,497.94/1,899,870.75 = 764,860.86/x
  3. Step 3: Cross multiply
    1,376,497.94x = 1,899,870.75 × 764,860.86
  4. Step 4: Simplify right side
    1,376,497.94x = 1,453,136,775,733.85
  5. Step 5: Solve for x
    x = 1,453,136,775,733.85/1,376,497.94
  6. Step 6: Final answer
    x = 1,055,676.68

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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.