Home / 1,639,901.40-2,460,312.90-798,480.60

Finding the Fourth Proportional to 1,639,901.40, 2,460,312.90 and 798,480.60

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Solution

The fourth proportional to 1,639,901.40, 2,460,312.90 and 798,480.60 is: 1,197,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,901.40 : 2,460,312.90 = 798,480.60 : x
  2. Step 2: Convert to fraction form
    1,639,901.40/2,460,312.90 = 798,480.60/x
  3. Step 3: Cross multiply
    1,639,901.40x = 2,460,312.90 × 798,480.60
  4. Step 4: Simplify right side
    1,639,901.40x = 1,964,512,120,579.74
  5. Step 5: Solve for x
    x = 1,964,512,120,579.74/1,639,901.40
  6. Step 6: Final answer
    x = 1,197,945.27

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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.