Home / 917,042.80-1,375,564.20-806,450.80

Finding the Fourth Proportional to 917,042.80, 1,375,564.20 and 806,450.80

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Solution

The fourth proportional to 917,042.80, 1,375,564.20 and 806,450.80 is: 1,209,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,042.80 : 1,375,564.20 = 806,450.80 : x
  2. Step 2: Convert to fraction form
    917,042.80/1,375,564.20 = 806,450.80/x
  3. Step 3: Cross multiply
    917,042.80x = 1,375,564.20 × 806,450.80
  4. Step 4: Simplify right side
    917,042.80x = 1,109,324,849,541.36
  5. Step 5: Solve for x
    x = 1,109,324,849,541.36/917,042.80
  6. Step 6: Final answer
    x = 1,209,676.20

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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.