Home / 1,558,491.93-2,150,697.79-870,174.38

Finding the Fourth Proportional to 1,558,491.93, 2,150,697.79 and 870,174.38

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Solution

The fourth proportional to 1,558,491.93, 2,150,697.79 and 870,174.38 is: 1,200,828.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,491.93 : 2,150,697.79 = 870,174.38 : x
  2. Step 2: Convert to fraction form
    1,558,491.93/2,150,697.79 = 870,174.38/x
  3. Step 3: Cross multiply
    1,558,491.93x = 2,150,697.79 × 870,174.38
  4. Step 4: Simplify right side
    1,558,491.93x = 1,871,482,115,980.62
  5. Step 5: Solve for x
    x = 1,871,482,115,980.62/1,558,491.93
  6. Step 6: Final answer
    x = 1,200,828.88

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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.