Home / 1,054,376.22-1,581,569.40-255,657.69

Finding the Fourth Proportional to 1,054,376.22, 1,581,569.40 and 255,657.69

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Solution

The fourth proportional to 1,054,376.22, 1,581,569.40 and 255,657.69 is: 383,487.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,376.22 : 1,581,569.40 = 255,657.69 : x
  2. Step 2: Convert to fraction form
    1,054,376.22/1,581,569.40 = 255,657.69/x
  3. Step 3: Cross multiply
    1,054,376.22x = 1,581,569.40 × 255,657.69
  4. Step 4: Simplify right side
    1,054,376.22x = 404,340,379,378.69
  5. Step 5: Solve for x
    x = 404,340,379,378.69/1,054,376.22
  6. Step 6: Final answer
    x = 383,487.76

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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.