Home / 1,488,629.41-2,232,045.09-667,817.72

Finding the Fourth Proportional to 1,488,629.41, 2,232,045.09 and 667,817.72

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Solution

The fourth proportional to 1,488,629.41, 2,232,045.09 and 667,817.72 is: 1,001,323.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,629.41 : 2,232,045.09 = 667,817.72 : x
  2. Step 2: Convert to fraction form
    1,488,629.41/2,232,045.09 = 667,817.72/x
  3. Step 3: Cross multiply
    1,488,629.41x = 2,232,045.09 × 667,817.72
  4. Step 4: Simplify right side
    1,488,629.41x = 1,490,599,260,150.94
  5. Step 5: Solve for x
    x = 1,490,599,260,150.94/1,488,629.41
  6. Step 6: Final answer
    x = 1,001,323.27

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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.