Home / 1,640,859.60-2,457,352.80-798,427.20

Finding the Fourth Proportional to 1,640,859.60, 2,457,352.80 and 798,427.20

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Solution

The fourth proportional to 1,640,859.60, 2,457,352.80 and 798,427.20 is: 1,195,725.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,859.60 : 2,457,352.80 = 798,427.20 : x
  2. Step 2: Convert to fraction form
    1,640,859.60/2,457,352.80 = 798,427.20/x
  3. Step 3: Cross multiply
    1,640,859.60x = 2,457,352.80 × 798,427.20
  4. Step 4: Simplify right side
    1,640,859.60x = 1,962,017,315,516.16
  5. Step 5: Solve for x
    x = 1,962,017,315,516.16/1,640,859.60
  6. Step 6: Final answer
    x = 1,195,725.29

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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.