Home / 1,139,282.96-1,572,179.40-629,967.92

Finding the Fourth Proportional to 1,139,282.96, 1,572,179.40 and 629,967.92

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Solution

The fourth proportional to 1,139,282.96, 1,572,179.40 and 629,967.92 is: 869,338.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,282.96 : 1,572,179.40 = 629,967.92 : x
  2. Step 2: Convert to fraction form
    1,139,282.96/1,572,179.40 = 629,967.92/x
  3. Step 3: Cross multiply
    1,139,282.96x = 1,572,179.40 × 629,967.92
  4. Step 4: Simplify right side
    1,139,282.96x = 990,422,586,484.85
  5. Step 5: Solve for x
    x = 990,422,586,484.85/1,139,282.96
  6. Step 6: Final answer
    x = 869,338.54

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Why These Related Problems?

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