Home / 1,031,015.80-1,422,764.42-572,150.40

Finding the Fourth Proportional to 1,031,015.80, 1,422,764.42 and 572,150.40

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Solution

The fourth proportional to 1,031,015.80, 1,422,764.42 and 572,150.40 is: 789,546.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,015.80 : 1,422,764.42 = 572,150.40 : x
  2. Step 2: Convert to fraction form
    1,031,015.80/1,422,764.42 = 572,150.40/x
  3. Step 3: Cross multiply
    1,031,015.80x = 1,422,764.42 × 572,150.40
  4. Step 4: Simplify right side
    1,031,015.80x = 814,035,232,008.77
  5. Step 5: Solve for x
    x = 814,035,232,008.77/1,031,015.80
  6. Step 6: Final answer
    x = 789,546.81

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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.