Home / 1,363,990.56-1,881,977.81-880,452.15

Finding the Fourth Proportional to 1,363,990.56, 1,881,977.81 and 880,452.15

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Solution

The fourth proportional to 1,363,990.56, 1,881,977.81 and 880,452.15 is: 1,214,811.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,990.56 : 1,881,977.81 = 880,452.15 : x
  2. Step 2: Convert to fraction form
    1,363,990.56/1,881,977.81 = 880,452.15/x
  3. Step 3: Cross multiply
    1,363,990.56x = 1,881,977.81 × 880,452.15
  4. Step 4: Simplify right side
    1,363,990.56x = 1,656,991,404,664.53
  5. Step 5: Solve for x
    x = 1,656,991,404,664.53/1,363,990.56
  6. Step 6: Final answer
    x = 1,214,811.49

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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.