Home / 859,448.07-1,294,313.68-782,835.44

Finding the Fourth Proportional to 859,448.07, 1,294,313.68 and 782,835.44

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Solution

The fourth proportional to 859,448.07, 1,294,313.68 and 782,835.44 is: 1,178,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,448.07 : 1,294,313.68 = 782,835.44 : x
  2. Step 2: Convert to fraction form
    859,448.07/1,294,313.68 = 782,835.44/x
  3. Step 3: Cross multiply
    859,448.07x = 1,294,313.68 × 782,835.44
  4. Step 4: Simplify right side
    859,448.07x = 1,013,234,613,687.80
  5. Step 5: Solve for x
    x = 1,013,234,613,687.80/859,448.07
  6. Step 6: Final answer
    x = 1,178,936.40

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.