Home / 2,709,759.40-4,064,243.44-790,154.78

Finding the Fourth Proportional to 2,709,759.40, 4,064,243.44 and 790,154.78

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Solution

The fourth proportional to 2,709,759.40, 4,064,243.44 and 790,154.78 is: 1,185,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,759.40 : 4,064,243.44 = 790,154.78 : x
  2. Step 2: Convert to fraction form
    2,709,759.40/4,064,243.44 = 790,154.78/x
  3. Step 3: Cross multiply
    2,709,759.40x = 4,064,243.44 × 790,154.78
  4. Step 4: Simplify right side
    2,709,759.40x = 3,211,381,360,878.43
  5. Step 5: Solve for x
    x = 3,211,381,360,878.43/2,709,759.40
  6. Step 6: Final answer
    x = 1,185,116.79

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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.