Home / 1,558,493.57-2,150,700.75-870,177.14

Finding the Fourth Proportional to 1,558,493.57, 2,150,700.75 and 870,177.14

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Solution

The fourth proportional to 1,558,493.57, 2,150,700.75 and 870,177.14 is: 1,200,833.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,493.57 : 2,150,700.75 = 870,177.14 : x
  2. Step 2: Convert to fraction form
    1,558,493.57/2,150,700.75 = 870,177.14/x
  3. Step 3: Cross multiply
    1,558,493.57x = 2,150,700.75 × 870,177.14
  4. Step 4: Simplify right side
    1,558,493.57x = 1,871,490,620,078.66
  5. Step 5: Solve for x
    x = 1,871,490,620,078.66/1,558,493.57
  6. Step 6: Final answer
    x = 1,200,833.08

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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.