Home / 1,054,728.90-1,581,620.29-628,465.59

Finding the Fourth Proportional to 1,054,728.90, 1,581,620.29 and 628,465.59

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Solution

The fourth proportional to 1,054,728.90, 1,581,620.29 and 628,465.59 is: 942,416.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,728.90 : 1,581,620.29 = 628,465.59 : x
  2. Step 2: Convert to fraction form
    1,054,728.90/1,581,620.29 = 628,465.59/x
  3. Step 3: Cross multiply
    1,054,728.90x = 1,581,620.29 × 628,465.59
  4. Step 4: Simplify right side
    1,054,728.90x = 993,993,928,710.82
  5. Step 5: Solve for x
    x = 993,993,928,710.82/1,054,728.90
  6. Step 6: Final answer
    x = 942,416.51

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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.