Home / 1,303,877.76-1,956,149.30-405,327.28

Finding the Fourth Proportional to 1,303,877.76, 1,956,149.30 and 405,327.28

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Solution

The fourth proportional to 1,303,877.76, 1,956,149.30 and 405,327.28 is: 608,094.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,877.76 : 1,956,149.30 = 405,327.28 : x
  2. Step 2: Convert to fraction form
    1,303,877.76/1,956,149.30 = 405,327.28/x
  3. Step 3: Cross multiply
    1,303,877.76x = 1,956,149.30 × 405,327.28
  4. Step 4: Simplify right side
    1,303,877.76x = 792,880,675,042.90
  5. Step 5: Solve for x
    x = 792,880,675,042.90/1,303,877.76
  6. Step 6: Final answer
    x = 608,094.33

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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.