Home / 1,139,481.99-1,572,421.55-623,133.99

Finding the Fourth Proportional to 1,139,481.99, 1,572,421.55 and 623,133.99

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Solution

The fourth proportional to 1,139,481.99, 1,572,421.55 and 623,133.99 is: 859,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,481.99 : 1,572,421.55 = 623,133.99 : x
  2. Step 2: Convert to fraction form
    1,139,481.99/1,572,421.55 = 623,133.99/x
  3. Step 3: Cross multiply
    1,139,481.99x = 1,572,421.55 × 623,133.99
  4. Step 4: Simplify right side
    1,139,481.99x = 979,829,311,297.82
  5. Step 5: Solve for x
    x = 979,829,311,297.82/1,139,481.99
  6. Step 6: Final answer
    x = 859,890.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.