Home / 1,432,939.41-1,977,456.24-788,345.73

Finding the Fourth Proportional to 1,432,939.41, 1,977,456.24 and 788,345.73

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Solution

The fourth proportional to 1,432,939.41, 1,977,456.24 and 788,345.73 is: 1,087,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,939.41 : 1,977,456.24 = 788,345.73 : x
  2. Step 2: Convert to fraction form
    1,432,939.41/1,977,456.24 = 788,345.73/x
  3. Step 3: Cross multiply
    1,432,939.41x = 1,977,456.24 × 788,345.73
  4. Step 4: Simplify right side
    1,432,939.41x = 1,558,919,183,065.86
  5. Step 5: Solve for x
    x = 1,558,919,183,065.86/1,432,939.41
  6. Step 6: Final answer
    x = 1,087,917.03

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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.