Home / 1,345,397.45-1,856,662.97-733,545.21

Finding the Fourth Proportional to 1,345,397.45, 1,856,662.97 and 733,545.21

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Solution

The fourth proportional to 1,345,397.45, 1,856,662.97 and 733,545.21 is: 1,012,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,397.45 : 1,856,662.97 = 733,545.21 : x
  2. Step 2: Convert to fraction form
    1,345,397.45/1,856,662.97 = 733,545.21/x
  3. Step 3: Cross multiply
    1,345,397.45x = 1,856,662.97 × 733,545.21
  4. Step 4: Simplify right side
    1,345,397.45x = 1,361,946,231,522.63
  5. Step 5: Solve for x
    x = 1,361,946,231,522.63/1,345,397.45
  6. Step 6: Final answer
    x = 1,012,300.30

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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.