Home / 1,640,146.80-2,460,220.20-755,410.80

Finding the Fourth Proportional to 1,640,146.80, 2,460,220.20 and 755,410.80

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Solution

The fourth proportional to 1,640,146.80, 2,460,220.20 and 755,410.80 is: 1,133,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,146.80 : 2,460,220.20 = 755,410.80 : x
  2. Step 2: Convert to fraction form
    1,640,146.80/2,460,220.20 = 755,410.80/x
  3. Step 3: Cross multiply
    1,640,146.80x = 2,460,220.20 × 755,410.80
  4. Step 4: Simplify right side
    1,640,146.80x = 1,858,476,909,458.16
  5. Step 5: Solve for x
    x = 1,858,476,909,458.16/1,640,146.80
  6. Step 6: Final answer
    x = 1,133,116.20

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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.