Home / 1,374,287.42-1,896,744.27-762,636.65

Finding the Fourth Proportional to 1,374,287.42, 1,896,744.27 and 762,636.65

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Solution

The fourth proportional to 1,374,287.42, 1,896,744.27 and 762,636.65 is: 1,052,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,287.42 : 1,896,744.27 = 762,636.65 : x
  2. Step 2: Convert to fraction form
    1,374,287.42/1,896,744.27 = 762,636.65/x
  3. Step 3: Cross multiply
    1,374,287.42x = 1,896,744.27 × 762,636.65
  4. Step 4: Simplify right side
    1,374,287.42x = 1,446,526,700,024.85
  5. Step 5: Solve for x
    x = 1,446,526,700,024.85/1,374,287.42
  6. Step 6: Final answer
    x = 1,052,564.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.