Home / 1,235,723.20-1,705,441.68-752,571.52

Finding the Fourth Proportional to 1,235,723.20, 1,705,441.68 and 752,571.52

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Solution

The fourth proportional to 1,235,723.20, 1,705,441.68 and 752,571.52 is: 1,038,636.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,723.20 : 1,705,441.68 = 752,571.52 : x
  2. Step 2: Convert to fraction form
    1,235,723.20/1,705,441.68 = 752,571.52/x
  3. Step 3: Cross multiply
    1,235,723.20x = 1,705,441.68 × 752,571.52
  4. Step 4: Simplify right side
    1,235,723.20x = 1,283,466,837,388.95
  5. Step 5: Solve for x
    x = 1,283,466,837,388.95/1,235,723.20
  6. Step 6: Final answer
    x = 1,038,636.19

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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.