Home / 1,223,408.20-1,835,112.30-718,211.20

Finding the Fourth Proportional to 1,223,408.20, 1,835,112.30 and 718,211.20

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Solution

The fourth proportional to 1,223,408.20, 1,835,112.30 and 718,211.20 is: 1,077,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,408.20 : 1,835,112.30 = 718,211.20 : x
  2. Step 2: Convert to fraction form
    1,223,408.20/1,835,112.30 = 718,211.20/x
  3. Step 3: Cross multiply
    1,223,408.20x = 1,835,112.30 × 718,211.20
  4. Step 4: Simplify right side
    1,223,408.20x = 1,317,998,207,117.76
  5. Step 5: Solve for x
    x = 1,317,998,207,117.76/1,223,408.20
  6. Step 6: Final answer
    x = 1,077,316.80

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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.