Home / 1,310,500.82-1,809,049.08-881,030

Finding the Fourth Proportional to 1,310,500.82, 1,809,049.08 and 881,030

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Solution

The fourth proportional to 1,310,500.82, 1,809,049.08 and 881,030 is: 1,216,196.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,500.82 : 1,809,049.08 = 881,030 : x
  2. Step 2: Convert to fraction form
    1,310,500.82/1,809,049.08 = 881,030/x
  3. Step 3: Cross multiply
    1,310,500.82x = 1,809,049.08 × 881,030
  4. Step 4: Simplify right side
    1,310,500.82x = 1,593,826,510,952.40
  5. Step 5: Solve for x
    x = 1,593,826,510,952.40/1,310,500.82
  6. Step 6: Final answer
    x = 1,216,196.50

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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.