Home / 1,256,450.56-1,884,695.76-309,821.52

Finding the Fourth Proportional to 1,256,450.56, 1,884,695.76 and 309,821.52

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Solution

The fourth proportional to 1,256,450.56, 1,884,695.76 and 309,821.52 is: 464,737.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,450.56 : 1,884,695.76 = 309,821.52 : x
  2. Step 2: Convert to fraction form
    1,256,450.56/1,884,695.76 = 309,821.52/x
  3. Step 3: Cross multiply
    1,256,450.56x = 1,884,695.76 × 309,821.52
  4. Step 4: Simplify right side
    1,256,450.56x = 583,919,305,100.76
  5. Step 5: Solve for x
    x = 583,919,305,100.76/1,256,450.56
  6. Step 6: Final answer
    x = 464,737.19

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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.