Home / 1,502,099.24-2,072,979.96-857,726.42

Finding the Fourth Proportional to 1,502,099.24, 2,072,979.96 and 857,726.42

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Solution

The fourth proportional to 1,502,099.24, 2,072,979.96 and 857,726.42 is: 1,183,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,099.24 : 2,072,979.96 = 857,726.42 : x
  2. Step 2: Convert to fraction form
    1,502,099.24/2,072,979.96 = 857,726.42/x
  3. Step 3: Cross multiply
    1,502,099.24x = 2,072,979.96 × 857,726.42
  4. Step 4: Simplify right side
    1,502,099.24x = 1,778,049,679,822.54
  5. Step 5: Solve for x
    x = 1,778,049,679,822.54/1,502,099.24
  6. Step 6: Final answer
    x = 1,183,709.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.