Home / 1,347,945.84-2,021,914.98-549,039.60

Finding the Fourth Proportional to 1,347,945.84, 2,021,914.98 and 549,039.60

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Solution

The fourth proportional to 1,347,945.84, 2,021,914.98 and 549,039.60 is: 823,557.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,945.84 : 2,021,914.98 = 549,039.60 : x
  2. Step 2: Convert to fraction form
    1,347,945.84/2,021,914.98 = 549,039.60/x
  3. Step 3: Cross multiply
    1,347,945.84x = 2,021,914.98 × 549,039.60
  4. Step 4: Simplify right side
    1,347,945.84x = 1,110,111,391,853.21
  5. Step 5: Solve for x
    x = 1,110,111,391,853.21/1,347,945.84
  6. Step 6: Final answer
    x = 823,557.86

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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.