Home / 1,318,225.48-1,977,338.22-1,250,909.62

Finding the Fourth Proportional to 1,318,225.48, 1,977,338.22 and 1,250,909.62

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Solution

The fourth proportional to 1,318,225.48, 1,977,338.22 and 1,250,909.62 is: 1,876,364.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,225.48 : 1,977,338.22 = 1,250,909.62 : x
  2. Step 2: Convert to fraction form
    1,318,225.48/1,977,338.22 = 1,250,909.62/x
  3. Step 3: Cross multiply
    1,318,225.48x = 1,977,338.22 × 1,250,909.62
  4. Step 4: Simplify right side
    1,318,225.48x = 2,473,471,391,757.42
  5. Step 5: Solve for x
    x = 2,473,471,391,757.42/1,318,225.48
  6. Step 6: Final answer
    x = 1,876,364.43

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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.