Home / 1,129,729.94-1,559,025.39-620,432.31

Finding the Fourth Proportional to 1,129,729.94, 1,559,025.39 and 620,432.31

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Solution

The fourth proportional to 1,129,729.94, 1,559,025.39 and 620,432.31 is: 856,195.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,729.94 : 1,559,025.39 = 620,432.31 : x
  2. Step 2: Convert to fraction form
    1,129,729.94/1,559,025.39 = 620,432.31/x
  3. Step 3: Cross multiply
    1,129,729.94x = 1,559,025.39 × 620,432.31
  4. Step 4: Simplify right side
    1,129,729.94x = 967,269,724,066.35
  5. Step 5: Solve for x
    x = 967,269,724,066.35/1,129,729.94
  6. Step 6: Final answer
    x = 856,195.53

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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.