Home / 1,558,490.93-2,150,696.41-870,173.38

Finding the Fourth Proportional to 1,558,490.93, 2,150,696.41 and 870,173.38

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Solution

The fourth proportional to 1,558,490.93, 2,150,696.41 and 870,173.38 is: 1,200,827.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,490.93 : 2,150,696.41 = 870,173.38 : x
  2. Step 2: Convert to fraction form
    1,558,490.93/2,150,696.41 = 870,173.38/x
  3. Step 3: Cross multiply
    1,558,490.93x = 2,150,696.41 × 870,173.38
  4. Step 4: Simplify right side
    1,558,490.93x = 1,871,478,764,956.50
  5. Step 5: Solve for x
    x = 1,871,478,764,956.50/1,558,490.93
  6. Step 6: Final answer
    x = 1,200,827.50

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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.