Home / 1,218,025.68-1,826,994.78-319,460.28

Finding the Fourth Proportional to 1,218,025.68, 1,826,994.78 and 319,460.28

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Solution

The fourth proportional to 1,218,025.68, 1,826,994.78 and 319,460.28 is: 479,178.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,025.68 : 1,826,994.78 = 319,460.28 : x
  2. Step 2: Convert to fraction form
    1,218,025.68/1,826,994.78 = 319,460.28/x
  3. Step 3: Cross multiply
    1,218,025.68x = 1,826,994.78 × 319,460.28
  4. Step 4: Simplify right side
    1,218,025.68x = 583,652,263,977.34
  5. Step 5: Solve for x
    x = 583,652,263,977.34/1,218,025.68
  6. Step 6: Final answer
    x = 479,178.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.