Home / 1,124,491-1,686,708.48-526,121.68

Finding the Fourth Proportional to 1,124,491, 1,686,708.48 and 526,121.68

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Solution

The fourth proportional to 1,124,491, 1,686,708.48 and 526,121.68 is: 789,169.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,491 : 1,686,708.48 = 526,121.68 : x
  2. Step 2: Convert to fraction form
    1,124,491/1,686,708.48 = 526,121.68/x
  3. Step 3: Cross multiply
    1,124,491x = 1,686,708.48 × 526,121.68
  4. Step 4: Simplify right side
    1,124,491x = 887,413,899,167.85
  5. Step 5: Solve for x
    x = 887,413,899,167.85/1,124,491
  6. Step 6: Final answer
    x = 789,169.41

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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.