Home / 1,036,554.58-1,555,027.89-405,428.50

Finding the Fourth Proportional to 1,036,554.58, 1,555,027.89 and 405,428.50

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Solution

The fourth proportional to 1,036,554.58, 1,555,027.89 and 405,428.50 is: 608,219.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,554.58 : 1,555,027.89 = 405,428.50 : x
  2. Step 2: Convert to fraction form
    1,036,554.58/1,555,027.89 = 405,428.50/x
  3. Step 3: Cross multiply
    1,036,554.58x = 1,555,027.89 × 405,428.50
  4. Step 4: Simplify right side
    1,036,554.58x = 630,452,624,900.87
  5. Step 5: Solve for x
    x = 630,452,624,900.87/1,036,554.58
  6. Step 6: Final answer
    x = 608,219.42

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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.