Home / 1,218,025.69-1,826,994.78-319,460.29

Finding the Fourth Proportional to 1,218,025.69, 1,826,994.78 and 319,460.29

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Solution

The fourth proportional to 1,218,025.69, 1,826,994.78 and 319,460.29 is: 479,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,025.69 : 1,826,994.78 = 319,460.29 : x
  2. Step 2: Convert to fraction form
    1,218,025.69/1,826,994.78 = 319,460.29/x
  3. Step 3: Cross multiply
    1,218,025.69x = 1,826,994.78 × 319,460.29
  4. Step 4: Simplify right side
    1,218,025.69x = 583,652,282,247.29
  5. Step 5: Solve for x
    x = 583,652,282,247.29/1,218,025.69
  6. Step 6: Final answer
    x = 479,178.96

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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.