Home / 1,289,854.86-1,935,559.89-448,997.10

Finding the Fourth Proportional to 1,289,854.86, 1,935,559.89 and 448,997.10

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Solution

The fourth proportional to 1,289,854.86, 1,935,559.89 and 448,997.10 is: 673,766.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,854.86 : 1,935,559.89 = 448,997.10 : x
  2. Step 2: Convert to fraction form
    1,289,854.86/1,935,559.89 = 448,997.10/x
  3. Step 3: Cross multiply
    1,289,854.86x = 1,935,559.89 × 448,997.10
  4. Step 4: Simplify right side
    1,289,854.86x = 869,060,777,486.32
  5. Step 5: Solve for x
    x = 869,060,777,486.32/1,289,854.86
  6. Step 6: Final answer
    x = 673,766.33

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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.