Home / 1,362,800.57-1,880,664.84-790,172.90

Finding the Fourth Proportional to 1,362,800.57, 1,880,664.84 and 790,172.90

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Solution

The fourth proportional to 1,362,800.57, 1,880,664.84 and 790,172.90 is: 1,090,438.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,800.57 : 1,880,664.84 = 790,172.90 : x
  2. Step 2: Convert to fraction form
    1,362,800.57/1,880,664.84 = 790,172.90/x
  3. Step 3: Cross multiply
    1,362,800.57x = 1,880,664.84 × 790,172.90
  4. Step 4: Simplify right side
    1,362,800.57x = 1,486,050,390,550.84
  5. Step 5: Solve for x
    x = 1,486,050,390,550.84/1,362,800.57
  6. Step 6: Final answer
    x = 1,090,438.63

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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.