Home / 1,207,377.40-1,813,139.70-854,865.40

Finding the Fourth Proportional to 1,207,377.40, 1,813,139.70 and 854,865.40

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Solution

The fourth proportional to 1,207,377.40, 1,813,139.70 and 854,865.40 is: 1,283,766.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,377.40 : 1,813,139.70 = 854,865.40 : x
  2. Step 2: Convert to fraction form
    1,207,377.40/1,813,139.70 = 854,865.40/x
  3. Step 3: Cross multiply
    1,207,377.40x = 1,813,139.70 × 854,865.40
  4. Step 4: Simplify right side
    1,207,377.40x = 1,549,990,394,896.38
  5. Step 5: Solve for x
    x = 1,549,990,394,896.38/1,207,377.40
  6. Step 6: Final answer
    x = 1,283,766.28

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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.