Home / 1,284,634.27-1,926,347.83-745,043.81

Finding the Fourth Proportional to 1,284,634.27, 1,926,347.83 and 745,043.81

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Solution

The fourth proportional to 1,284,634.27, 1,926,347.83 and 745,043.81 is: 1,117,215.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,634.27 : 1,926,347.83 = 745,043.81 : x
  2. Step 2: Convert to fraction form
    1,284,634.27/1,926,347.83 = 745,043.81/x
  3. Step 3: Cross multiply
    1,284,634.27x = 1,926,347.83 × 745,043.81
  4. Step 4: Simplify right side
    1,284,634.27x = 1,435,213,528,519.42
  5. Step 5: Solve for x
    x = 1,435,213,528,519.42/1,284,634.27
  6. Step 6: Final answer
    x = 1,117,215.66

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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.