Home / 1,052,482.56-1,578,331.92-378,379.92

Finding the Fourth Proportional to 1,052,482.56, 1,578,331.92 and 378,379.92

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Solution

The fourth proportional to 1,052,482.56, 1,578,331.92 and 378,379.92 is: 567,428.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,482.56 : 1,578,331.92 = 378,379.92 : x
  2. Step 2: Convert to fraction form
    1,052,482.56/1,578,331.92 = 378,379.92/x
  3. Step 3: Cross multiply
    1,052,482.56x = 1,578,331.92 × 378,379.92
  4. Step 4: Simplify right side
    1,052,482.56x = 597,209,105,623.05
  5. Step 5: Solve for x
    x = 597,209,105,623.05/1,052,482.56
  6. Step 6: Final answer
    x = 567,428.98

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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.