Home / 1,493,706.78-2,240,556.75-640,225.02

Finding the Fourth Proportional to 1,493,706.78, 2,240,556.75 and 640,225.02

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Solution

The fourth proportional to 1,493,706.78, 2,240,556.75 and 640,225.02 is: 960,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,706.78 : 2,240,556.75 = 640,225.02 : x
  2. Step 2: Convert to fraction form
    1,493,706.78/2,240,556.75 = 640,225.02/x
  3. Step 3: Cross multiply
    1,493,706.78x = 2,240,556.75 × 640,225.02
  4. Step 4: Simplify right side
    1,493,706.78x = 1,434,460,493,981.04
  5. Step 5: Solve for x
    x = 1,434,460,493,981.04/1,493,706.78
  6. Step 6: Final answer
    x = 960,336.06

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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.