Home / 1,036,554.08-1,555,027.14-405,428

Finding the Fourth Proportional to 1,036,554.08, 1,555,027.14 and 405,428

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Solution

The fourth proportional to 1,036,554.08, 1,555,027.14 and 405,428 is: 608,218.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,554.08 : 1,555,027.14 = 405,428 : x
  2. Step 2: Convert to fraction form
    1,036,554.08/1,555,027.14 = 405,428/x
  3. Step 3: Cross multiply
    1,036,554.08x = 1,555,027.14 × 405,428
  4. Step 4: Simplify right side
    1,036,554.08x = 630,451,543,315.92
  5. Step 5: Solve for x
    x = 630,451,543,315.92/1,036,554.08
  6. Step 6: Final answer
    x = 608,218.67

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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.