Home / 920,079.84-1,269,845.88-552,581.76

Finding the Fourth Proportional to 920,079.84, 1,269,845.88 and 552,581.76

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Solution

The fourth proportional to 920,079.84, 1,269,845.88 and 552,581.76 is: 762,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,079.84 : 1,269,845.88 = 552,581.76 : x
  2. Step 2: Convert to fraction form
    920,079.84/1,269,845.88 = 552,581.76/x
  3. Step 3: Cross multiply
    920,079.84x = 1,269,845.88 × 552,581.76
  4. Step 4: Simplify right side
    920,079.84x = 701,693,671,299.15
  5. Step 5: Solve for x
    x = 701,693,671,299.15/920,079.84
  6. Step 6: Final answer
    x = 762,644.33

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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.