Home / 1,072,941.80-1,481,969.60-802,210.34

Finding the Fourth Proportional to 1,072,941.80, 1,481,969.60 and 802,210.34

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Solution

The fourth proportional to 1,072,941.80, 1,481,969.60 and 802,210.34 is: 1,108,029.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,941.80 : 1,481,969.60 = 802,210.34 : x
  2. Step 2: Convert to fraction form
    1,072,941.80/1,481,969.60 = 802,210.34/x
  3. Step 3: Cross multiply
    1,072,941.80x = 1,481,969.60 × 802,210.34
  4. Step 4: Simplify right side
    1,072,941.80x = 1,188,851,336,685.66
  5. Step 5: Solve for x
    x = 1,188,851,336,685.66/1,072,941.80
  6. Step 6: Final answer
    x = 1,108,029.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.