Home / 1,129,662.54-1,558,928.59-613,411.92

Finding the Fourth Proportional to 1,129,662.54, 1,558,928.59 and 613,411.92

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Solution

The fourth proportional to 1,129,662.54, 1,558,928.59 and 613,411.92 is: 846,505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,662.54 : 1,558,928.59 = 613,411.92 : x
  2. Step 2: Convert to fraction form
    1,129,662.54/1,558,928.59 = 613,411.92/x
  3. Step 3: Cross multiply
    1,129,662.54x = 1,558,928.59 × 613,411.92
  4. Step 4: Simplify right side
    1,129,662.54x = 956,265,378,001.26
  5. Step 5: Solve for x
    x = 956,265,378,001.26/1,129,662.54
  6. Step 6: Final answer
    x = 846,505.34

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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.