Home / 1,020,535.53-1,531,149.23-451,838.19

Finding the Fourth Proportional to 1,020,535.53, 1,531,149.23 and 451,838.19

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Solution

The fourth proportional to 1,020,535.53, 1,531,149.23 and 451,838.19 is: 677,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,535.53 : 1,531,149.23 = 451,838.19 : x
  2. Step 2: Convert to fraction form
    1,020,535.53/1,531,149.23 = 451,838.19/x
  3. Step 3: Cross multiply
    1,020,535.53x = 1,531,149.23 × 451,838.19
  4. Step 4: Simplify right side
    1,020,535.53x = 691,831,694,443.90
  5. Step 5: Solve for x
    x = 691,831,694,443.90/1,020,535.53
  6. Step 6: Final answer
    x = 677,910.44

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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.