Home / 1,210,375.10-1,810,506.13-850,520.66

Finding the Fourth Proportional to 1,210,375.10, 1,810,506.13 and 850,520.66

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Solution

The fourth proportional to 1,210,375.10, 1,810,506.13 and 850,520.66 is: 1,272,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,375.10 : 1,810,506.13 = 850,520.66 : x
  2. Step 2: Convert to fraction form
    1,210,375.10/1,810,506.13 = 850,520.66/x
  3. Step 3: Cross multiply
    1,210,375.10x = 1,810,506.13 × 850,520.66
  4. Step 4: Simplify right side
    1,210,375.10x = 1,539,872,857,442.81
  5. Step 5: Solve for x
    x = 1,539,872,857,442.81/1,210,375.10
  6. Step 6: Final answer
    x = 1,272,227.80

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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.