Home / 1,294,735.91-1,786,841.90-714,072.62

Finding the Fourth Proportional to 1,294,735.91, 1,786,841.90 and 714,072.62

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Solution

The fourth proportional to 1,294,735.91, 1,786,841.90 and 714,072.62 is: 985,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,735.91 : 1,786,841.90 = 714,072.62 : x
  2. Step 2: Convert to fraction form
    1,294,735.91/1,786,841.90 = 714,072.62/x
  3. Step 3: Cross multiply
    1,294,735.91x = 1,786,841.90 × 714,072.62
  4. Step 4: Simplify right side
    1,294,735.91x = 1,275,934,864,554.21
  5. Step 5: Solve for x
    x = 1,275,934,864,554.21/1,294,735.91
  6. Step 6: Final answer
    x = 985,478.86

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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.