Home / 1,640,986.78-2,460,205.62-1,063,389.90

Finding the Fourth Proportional to 1,640,986.78, 2,460,205.62 and 1,063,389.90

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Solution

The fourth proportional to 1,640,986.78, 2,460,205.62 and 1,063,389.90 is: 1,594,258.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,986.78 : 2,460,205.62 = 1,063,389.90 : x
  2. Step 2: Convert to fraction form
    1,640,986.78/2,460,205.62 = 1,063,389.90/x
  3. Step 3: Cross multiply
    1,640,986.78x = 2,460,205.62 × 1,063,389.90
  4. Step 4: Simplify right side
    1,640,986.78x = 2,616,157,808,231.24
  5. Step 5: Solve for x
    x = 2,616,157,808,231.24/1,640,986.78
  6. Step 6: Final answer
    x = 1,594,258.92

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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.