Home / 1,030,770.77-1,422,415.64-571,880.46

Finding the Fourth Proportional to 1,030,770.77, 1,422,415.64 and 571,880.46

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Solution

The fourth proportional to 1,030,770.77, 1,422,415.64 and 571,880.46 is: 789,168.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,770.77 : 1,422,415.64 = 571,880.46 : x
  2. Step 2: Convert to fraction form
    1,030,770.77/1,422,415.64 = 571,880.46/x
  3. Step 3: Cross multiply
    1,030,770.77x = 1,422,415.64 × 571,880.46
  4. Step 4: Simplify right side
    1,030,770.77x = 813,451,711,944.10
  5. Step 5: Solve for x
    x = 813,451,711,944.10/1,030,770.77
  6. Step 6: Final answer
    x = 789,168.39

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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.