Home / 1,129,388.29-1,558,582.90-613,163.90

Finding the Fourth Proportional to 1,129,388.29, 1,558,582.90 and 613,163.90

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Solution

The fourth proportional to 1,129,388.29, 1,558,582.90 and 613,163.90 is: 846,180.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,388.29 : 1,558,582.90 = 613,163.90 : x
  2. Step 2: Convert to fraction form
    1,129,388.29/1,558,582.90 = 613,163.90/x
  3. Step 3: Cross multiply
    1,129,388.29x = 1,558,582.90 × 613,163.90
  4. Step 4: Simplify right side
    1,129,388.29x = 955,666,771,800.86
  5. Step 5: Solve for x
    x = 955,666,771,800.86/1,129,388.29
  6. Step 6: Final answer
    x = 846,180.88

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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.