Home / 1,347,104.70-1,859,323.77-774,477.54

Finding the Fourth Proportional to 1,347,104.70, 1,859,323.77 and 774,477.54

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Solution

The fourth proportional to 1,347,104.70, 1,859,323.77 and 774,477.54 is: 1,068,962.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,104.70 : 1,859,323.77 = 774,477.54 : x
  2. Step 2: Convert to fraction form
    1,347,104.70/1,859,323.77 = 774,477.54/x
  3. Step 3: Cross multiply
    1,347,104.70x = 1,859,323.77 × 774,477.54
  4. Step 4: Simplify right side
    1,347,104.70x = 1,440,004,499,453.13
  5. Step 5: Solve for x
    x = 1,440,004,499,453.13/1,347,104.70
  6. Step 6: Final answer
    x = 1,068,962.57

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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.