Home / 1,347,221.90-1,859,165.07-743,608.46

Finding the Fourth Proportional to 1,347,221.90, 1,859,165.07 and 743,608.46

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Solution

The fourth proportional to 1,347,221.90, 1,859,165.07 and 743,608.46 is: 1,026,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,221.90 : 1,859,165.07 = 743,608.46 : x
  2. Step 2: Convert to fraction form
    1,347,221.90/1,859,165.07 = 743,608.46/x
  3. Step 3: Cross multiply
    1,347,221.90x = 1,859,165.07 × 743,608.46
  4. Step 4: Simplify right side
    1,347,221.90x = 1,382,490,874,588.49
  5. Step 5: Solve for x
    x = 1,382,490,874,588.49/1,347,221.90
  6. Step 6: Final answer
    x = 1,026,179.04

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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.