Home / 1,119,453.75-1,679,443.07-371,499.75

Finding the Fourth Proportional to 1,119,453.75, 1,679,443.07 and 371,499.75

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Solution

The fourth proportional to 1,119,453.75, 1,679,443.07 and 371,499.75 is: 557,336.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,453.75 : 1,679,443.07 = 371,499.75 : x
  2. Step 2: Convert to fraction form
    1,119,453.75/1,679,443.07 = 371,499.75/x
  3. Step 3: Cross multiply
    1,119,453.75x = 1,679,443.07 × 371,499.75
  4. Step 4: Simplify right side
    1,119,453.75x = 623,912,678,786.73
  5. Step 5: Solve for x
    x = 623,912,678,786.73/1,119,453.75
  6. Step 6: Final answer
    x = 557,336.72

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Double scale
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1.5x scale

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.