Home / 1,030,914.50-1,422,739.80-572,115.71

Finding the Fourth Proportional to 1,030,914.50, 1,422,739.80 and 572,115.71

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Solution

The fourth proportional to 1,030,914.50, 1,422,739.80 and 572,115.71 is: 789,562.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,914.50 : 1,422,739.80 = 572,115.71 : x
  2. Step 2: Convert to fraction form
    1,030,914.50/1,422,739.80 = 572,115.71/x
  3. Step 3: Cross multiply
    1,030,914.50x = 1,422,739.80 × 572,115.71
  4. Step 4: Simplify right side
    1,030,914.50x = 813,971,783,708.56
  5. Step 5: Solve for x
    x = 813,971,783,708.56/1,030,914.50
  6. Step 6: Final answer
    x = 789,562.85

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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.