Home / 1,110,671.49-1,666,069.54-311,890.73

Finding the Fourth Proportional to 1,110,671.49, 1,666,069.54 and 311,890.73

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Solution

The fourth proportional to 1,110,671.49, 1,666,069.54 and 311,890.73 is: 467,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,671.49 : 1,666,069.54 = 311,890.73 : x
  2. Step 2: Convert to fraction form
    1,110,671.49/1,666,069.54 = 311,890.73/x
  3. Step 3: Cross multiply
    1,110,671.49x = 1,666,069.54 × 311,890.73
  4. Step 4: Simplify right side
    1,110,671.49x = 519,631,648,446.81
  5. Step 5: Solve for x
    x = 519,631,648,446.81/1,110,671.49
  6. Step 6: Final answer
    x = 467,853.59

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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.