Home / 1,020,908.43-1,528,687.22-719,758.53

Finding the Fourth Proportional to 1,020,908.43, 1,528,687.22 and 719,758.53

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Solution

The fourth proportional to 1,020,908.43, 1,528,687.22 and 719,758.53 is: 1,077,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,908.43 : 1,528,687.22 = 719,758.53 : x
  2. Step 2: Convert to fraction form
    1,020,908.43/1,528,687.22 = 719,758.53/x
  3. Step 3: Cross multiply
    1,020,908.43x = 1,528,687.22 × 719,758.53
  4. Step 4: Simplify right side
    1,020,908.43x = 1,100,285,662,698.19
  5. Step 5: Solve for x
    x = 1,100,285,662,698.19/1,020,908.43
  6. Step 6: Final answer
    x = 1,077,751.57

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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.