Home / 1,292,183.45-1,938,275.04-345,529.56

Finding the Fourth Proportional to 1,292,183.45, 1,938,275.04 and 345,529.56

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Solution

The fourth proportional to 1,292,183.45, 1,938,275.04 and 345,529.56 is: 518,294.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,183.45 : 1,938,275.04 = 345,529.56 : x
  2. Step 2: Convert to fraction form
    1,292,183.45/1,938,275.04 = 345,529.56/x
  3. Step 3: Cross multiply
    1,292,183.45x = 1,938,275.04 × 345,529.56
  4. Step 4: Simplify right side
    1,292,183.45x = 669,731,321,730.18
  5. Step 5: Solve for x
    x = 669,731,321,730.18/1,292,183.45
  6. Step 6: Final answer
    x = 518,294.31

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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.