Home / 805,845.20-1,207,018.20-700,869.20

Finding the Fourth Proportional to 805,845.20, 1,207,018.20 and 700,869.20

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Solution

The fourth proportional to 805,845.20, 1,207,018.20 and 700,869.20 is: 1,049,782.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,845.20 : 1,207,018.20 = 700,869.20 : x
  2. Step 2: Convert to fraction form
    805,845.20/1,207,018.20 = 700,869.20/x
  3. Step 3: Cross multiply
    805,845.20x = 1,207,018.20 × 700,869.20
  4. Step 4: Simplify right side
    805,845.20x = 845,961,880,219.44
  5. Step 5: Solve for x
    x = 845,961,880,219.44/805,845.20
  6. Step 6: Final answer
    x = 1,049,782.12

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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.