Home / 1,284,808.62-1,926,465.90-486,151.86

Finding the Fourth Proportional to 1,284,808.62, 1,926,465.90 and 486,151.86

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Solution

The fourth proportional to 1,284,808.62, 1,926,465.90 and 486,151.86 is: 728,945.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,808.62 : 1,926,465.90 = 486,151.86 : x
  2. Step 2: Convert to fraction form
    1,284,808.62/1,926,465.90 = 486,151.86/x
  3. Step 3: Cross multiply
    1,284,808.62x = 1,926,465.90 × 486,151.86
  4. Step 4: Simplify right side
    1,284,808.62x = 936,554,980,511.57
  5. Step 5: Solve for x
    x = 936,554,980,511.57/1,284,808.62
  6. Step 6: Final answer
    x = 728,945.13

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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.