Home / 1,028,960.70-1,543,499.37-319,089.66

Finding the Fourth Proportional to 1,028,960.70, 1,543,499.37 and 319,089.66

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Solution

The fourth proportional to 1,028,960.70, 1,543,499.37 and 319,089.66 is: 478,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,960.70 : 1,543,499.37 = 319,089.66 : x
  2. Step 2: Convert to fraction form
    1,028,960.70/1,543,499.37 = 319,089.66/x
  3. Step 3: Cross multiply
    1,028,960.70x = 1,543,499.37 × 319,089.66
  4. Step 4: Simplify right side
    1,028,960.70x = 492,514,689,183.51
  5. Step 5: Solve for x
    x = 492,514,689,183.51/1,028,960.70
  6. Step 6: Final answer
    x = 478,652.58

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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.