Home / 1,558,445.44-2,150,633.76-870,127.84

Finding the Fourth Proportional to 1,558,445.44, 2,150,633.76 and 870,127.84

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Solution

The fourth proportional to 1,558,445.44, 2,150,633.76 and 870,127.84 is: 1,200,764.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,445.44 : 2,150,633.76 = 870,127.84 : x
  2. Step 2: Convert to fraction form
    1,558,445.44/2,150,633.76 = 870,127.84/x
  3. Step 3: Cross multiply
    1,558,445.44x = 2,150,633.76 × 870,127.84
  4. Step 4: Simplify right side
    1,558,445.44x = 1,871,326,308,219.88
  5. Step 5: Solve for x
    x = 1,871,326,308,219.88/1,558,445.44
  6. Step 6: Final answer
    x = 1,200,764.72

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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.