Home / 1,300,247.80-1,946,570.10-926,999.80

Finding the Fourth Proportional to 1,300,247.80, 1,946,570.10 and 926,999.80

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Solution

The fourth proportional to 1,300,247.80, 1,946,570.10 and 926,999.80 is: 1,387,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,247.80 : 1,946,570.10 = 926,999.80 : x
  2. Step 2: Convert to fraction form
    1,300,247.80/1,946,570.10 = 926,999.80/x
  3. Step 3: Cross multiply
    1,300,247.80x = 1,946,570.10 × 926,999.80
  4. Step 4: Simplify right side
    1,300,247.80x = 1,804,470,093,385.98
  5. Step 5: Solve for x
    x = 1,804,470,093,385.98/1,300,247.80
  6. Step 6: Final answer
    x = 1,387,789.38

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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.