Home / 1,558,538.94-2,150,762.64-870,221.46

Finding the Fourth Proportional to 1,558,538.94, 2,150,762.64 and 870,221.46

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Solution

The fourth proportional to 1,558,538.94, 2,150,762.64 and 870,221.46 is: 1,200,893.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,538.94 : 2,150,762.64 = 870,221.46 : x
  2. Step 2: Convert to fraction form
    1,558,538.94/2,150,762.64 = 870,221.46/x
  3. Step 3: Cross multiply
    1,558,538.94x = 2,150,762.64 × 870,221.46
  4. Step 4: Simplify right side
    1,558,538.94x = 1,871,639,804,694.25
  5. Step 5: Solve for x
    x = 1,871,639,804,694.25/1,558,538.94
  6. Step 6: Final answer
    x = 1,200,893.84

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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.