Home / 1,129,506.31-1,694,628.52-455,240.54

Finding the Fourth Proportional to 1,129,506.31, 1,694,628.52 and 455,240.54

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Solution

The fourth proportional to 1,129,506.31, 1,694,628.52 and 455,240.54 is: 683,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,506.31 : 1,694,628.52 = 455,240.54 : x
  2. Step 2: Convert to fraction form
    1,129,506.31/1,694,628.52 = 455,240.54/x
  3. Step 3: Cross multiply
    1,129,506.31x = 1,694,628.52 × 455,240.54
  4. Step 4: Simplify right side
    1,129,506.31x = 771,463,602,544.20
  5. Step 5: Solve for x
    x = 771,463,602,544.20/1,129,506.31
  6. Step 6: Final answer
    x = 683,009.56

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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.