Home / 1,353,628.52-1,868,856.75-871,032.36

Finding the Fourth Proportional to 1,353,628.52, 1,868,856.75 and 871,032.36

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Solution

The fourth proportional to 1,353,628.52, 1,868,856.75 and 871,032.36 is: 1,202,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,628.52 : 1,868,856.75 = 871,032.36 : x
  2. Step 2: Convert to fraction form
    1,353,628.52/1,868,856.75 = 871,032.36/x
  3. Step 3: Cross multiply
    1,353,628.52x = 1,868,856.75 × 871,032.36
  4. Step 4: Simplify right side
    1,353,628.52x = 1,627,834,705,454.43
  5. Step 5: Solve for x
    x = 1,627,834,705,454.43/1,353,628.52
  6. Step 6: Final answer
    x = 1,202,571.23

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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.