Home / 1,362,449.70-1,880,039.43-839,077.50

Finding the Fourth Proportional to 1,362,449.70, 1,880,039.43 and 839,077.50

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Solution

The fourth proportional to 1,362,449.70, 1,880,039.43 and 839,077.50 is: 1,157,840.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,449.70 : 1,880,039.43 = 839,077.50 : x
  2. Step 2: Convert to fraction form
    1,362,449.70/1,880,039.43 = 839,077.50/x
  3. Step 3: Cross multiply
    1,362,449.70x = 1,880,039.43 × 839,077.50
  4. Step 4: Simplify right side
    1,362,449.70x = 1,577,498,784,825.83
  5. Step 5: Solve for x
    x = 1,577,498,784,825.83/1,362,449.70
  6. Step 6: Final answer
    x = 1,157,840.02

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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.