Home / 1,030,770.46-1,422,415.20-571,880.16

Finding the Fourth Proportional to 1,030,770.46, 1,422,415.20 and 571,880.16

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Solution

The fourth proportional to 1,030,770.46, 1,422,415.20 and 571,880.16 is: 789,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,770.46 : 1,422,415.20 = 571,880.16 : x
  2. Step 2: Convert to fraction form
    1,030,770.46/1,422,415.20 = 571,880.16/x
  3. Step 3: Cross multiply
    1,030,770.46x = 1,422,415.20 × 571,880.16
  4. Step 4: Simplify right side
    1,030,770.46x = 813,451,032,162.43
  5. Step 5: Solve for x
    x = 813,451,032,162.43/1,030,770.46
  6. Step 6: Final answer
    x = 789,167.97

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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.