Home / 1,545,315.70-2,318,459.55-746,623.30

Finding the Fourth Proportional to 1,545,315.70, 2,318,459.55 and 746,623.30

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Solution

The fourth proportional to 1,545,315.70, 2,318,459.55 and 746,623.30 is: 1,120,169.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,315.70 : 2,318,459.55 = 746,623.30 : x
  2. Step 2: Convert to fraction form
    1,545,315.70/2,318,459.55 = 746,623.30/x
  3. Step 3: Cross multiply
    1,545,315.70x = 2,318,459.55 × 746,623.30
  4. Step 4: Simplify right side
    1,545,315.70x = 1,731,015,920,137.52
  5. Step 5: Solve for x
    x = 1,731,015,920,137.52/1,545,315.70
  6. Step 6: Final answer
    x = 1,120,169.76

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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.