Home / 1,362,535.82-1,880,209.14-818,694.50

Finding the Fourth Proportional to 1,362,535.82, 1,880,209.14 and 818,694.50

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Solution

The fourth proportional to 1,362,535.82, 1,880,209.14 and 818,694.50 is: 1,129,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,535.82 : 1,880,209.14 = 818,694.50 : x
  2. Step 2: Convert to fraction form
    1,362,535.82/1,880,209.14 = 818,694.50/x
  3. Step 3: Cross multiply
    1,362,535.82x = 1,880,209.14 × 818,694.50
  4. Step 4: Simplify right side
    1,362,535.82x = 1,539,316,881,767.73
  5. Step 5: Solve for x
    x = 1,539,316,881,767.73/1,362,535.82
  6. Step 6: Final answer
    x = 1,129,744.16

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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.