Home / 1,103,881.40-1,656,006.48-345,571.96

Finding the Fourth Proportional to 1,103,881.40, 1,656,006.48 and 345,571.96

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Solution

The fourth proportional to 1,103,881.40, 1,656,006.48 and 345,571.96 is: 518,415.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,881.40 : 1,656,006.48 = 345,571.96 : x
  2. Step 2: Convert to fraction form
    1,103,881.40/1,656,006.48 = 345,571.96/x
  3. Step 3: Cross multiply
    1,103,881.40x = 1,656,006.48 × 345,571.96
  4. Step 4: Simplify right side
    1,103,881.40x = 572,269,396,786.27
  5. Step 5: Solve for x
    x = 572,269,396,786.27/1,103,881.40
  6. Step 6: Final answer
    x = 518,415.65

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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.