Home / 1,804,153.87-2,489,732.18-1,079,001.57

Finding the Fourth Proportional to 1,804,153.87, 2,489,732.18 and 1,079,001.57

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Solution

The fourth proportional to 1,804,153.87, 2,489,732.18 and 1,079,001.57 is: 1,489,022.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,153.87 : 2,489,732.18 = 1,079,001.57 : x
  2. Step 2: Convert to fraction form
    1,804,153.87/2,489,732.18 = 1,079,001.57/x
  3. Step 3: Cross multiply
    1,804,153.87x = 2,489,732.18 × 1,079,001.57
  4. Step 4: Simplify right side
    1,804,153.87x = 2,686,424,931,099.52
  5. Step 5: Solve for x
    x = 2,686,424,931,099.52/1,804,153.87
  6. Step 6: Final answer
    x = 1,489,022.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.