Home / 1,380,435.68-1,900,776.28-1,376,449.88

Finding the Fourth Proportional to 1,380,435.68, 1,900,776.28 and 1,376,449.88

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Solution

The fourth proportional to 1,380,435.68, 1,900,776.28 and 1,376,449.88 is: 1,895,288.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,435.68 : 1,900,776.28 = 1,376,449.88 : x
  2. Step 2: Convert to fraction form
    1,380,435.68/1,900,776.28 = 1,376,449.88/x
  3. Step 3: Cross multiply
    1,380,435.68x = 1,900,776.28 × 1,376,449.88
  4. Step 4: Simplify right side
    1,380,435.68x = 2,616,323,269,567.84
  5. Step 5: Solve for x
    x = 2,616,323,269,567.84/1,380,435.68
  6. Step 6: Final answer
    x = 1,895,288.06

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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.