Home / 1,395,912.65-1,926,317.50-775,715.72

Finding the Fourth Proportional to 1,395,912.65, 1,926,317.50 and 775,715.72

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Solution

The fourth proportional to 1,395,912.65, 1,926,317.50 and 775,715.72 is: 1,070,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,912.65 : 1,926,317.50 = 775,715.72 : x
  2. Step 2: Convert to fraction form
    1,395,912.65/1,926,317.50 = 775,715.72/x
  3. Step 3: Cross multiply
    1,395,912.65x = 1,926,317.50 × 775,715.72
  4. Step 4: Simplify right side
    1,395,912.65x = 1,494,274,752,950.93
  5. Step 5: Solve for x
    x = 1,494,274,752,950.93/1,395,912.65
  6. Step 6: Final answer
    x = 1,070,464.37

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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.