Home / 1,139,132.96-1,572,035.04-629,853.56

Finding the Fourth Proportional to 1,139,132.96, 1,572,035.04 and 629,853.56

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Solution

The fourth proportional to 1,139,132.96, 1,572,035.04 and 629,853.56 is: 869,215.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,132.96 : 1,572,035.04 = 629,853.56 : x
  2. Step 2: Convert to fraction form
    1,139,132.96/1,572,035.04 = 629,853.56/x
  3. Step 3: Cross multiply
    1,139,132.96x = 1,572,035.04 × 629,853.56
  4. Step 4: Simplify right side
    1,139,132.96x = 990,151,866,388.74
  5. Step 5: Solve for x
    x = 990,151,866,388.74/1,139,132.96
  6. Step 6: Final answer
    x = 869,215.36

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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.