Home / 1,200,950.22-1,805,746.38-1,107,325.78

Finding the Fourth Proportional to 1,200,950.22, 1,805,746.38 and 1,107,325.78

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Solution

The fourth proportional to 1,200,950.22, 1,805,746.38 and 1,107,325.78 is: 1,664,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,950.22 : 1,805,746.38 = 1,107,325.78 : x
  2. Step 2: Convert to fraction form
    1,200,950.22/1,805,746.38 = 1,107,325.78/x
  3. Step 3: Cross multiply
    1,200,950.22x = 1,805,746.38 × 1,107,325.78
  4. Step 4: Simplify right side
    1,200,950.22x = 1,999,549,518,715.68
  5. Step 5: Solve for x
    x = 1,999,549,518,715.68/1,200,950.22
  6. Step 6: Final answer
    x = 1,664,972.86

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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.