Home / 1,545,580.20-2,318,370.30-978,709.80

Finding the Fourth Proportional to 1,545,580.20, 2,318,370.30 and 978,709.80

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Solution

The fourth proportional to 1,545,580.20, 2,318,370.30 and 978,709.80 is: 1,468,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,580.20 : 2,318,370.30 = 978,709.80 : x
  2. Step 2: Convert to fraction form
    1,545,580.20/2,318,370.30 = 978,709.80/x
  3. Step 3: Cross multiply
    1,545,580.20x = 2,318,370.30 × 978,709.80
  4. Step 4: Simplify right side
    1,545,580.20x = 2,269,011,732,638.94
  5. Step 5: Solve for x
    x = 2,269,011,732,638.94/1,545,580.20
  6. Step 6: Final answer
    x = 1,468,064.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.