Home / 1,207,400.40-1,813,174.20-854,888.40

Finding the Fourth Proportional to 1,207,400.40, 1,813,174.20 and 854,888.40

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Solution

The fourth proportional to 1,207,400.40, 1,813,174.20 and 854,888.40 is: 1,283,800.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,400.40 : 1,813,174.20 = 854,888.40 : x
  2. Step 2: Convert to fraction form
    1,207,400.40/1,813,174.20 = 854,888.40/x
  3. Step 3: Cross multiply
    1,207,400.40x = 1,813,174.20 × 854,888.40
  4. Step 4: Simplify right side
    1,207,400.40x = 1,550,061,590,759.28
  5. Step 5: Solve for x
    x = 1,550,061,590,759.28/1,207,400.40
  6. Step 6: Final answer
    x = 1,283,800.79

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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.