Home / 1,139,554.43-1,709,334.53-465,635.73

Finding the Fourth Proportional to 1,139,554.43, 1,709,334.53 and 465,635.73

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Solution

The fourth proportional to 1,139,554.43, 1,709,334.53 and 465,635.73 is: 698,454.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,554.43 : 1,709,334.53 = 465,635.73 : x
  2. Step 2: Convert to fraction form
    1,139,554.43/1,709,334.53 = 465,635.73/x
  3. Step 3: Cross multiply
    1,139,554.43x = 1,709,334.53 × 465,635.73
  4. Step 4: Simplify right side
    1,139,554.43x = 795,927,231,690.76
  5. Step 5: Solve for x
    x = 795,927,231,690.76/1,139,554.43
  6. Step 6: Final answer
    x = 698,454.78

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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.