Home / 1,054,198.74-1,581,317.55-380,330.58

Finding the Fourth Proportional to 1,054,198.74, 1,581,317.55 and 380,330.58

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Solution

The fourth proportional to 1,054,198.74, 1,581,317.55 and 380,330.58 is: 570,502.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,198.74 : 1,581,317.55 = 380,330.58 : x
  2. Step 2: Convert to fraction form
    1,054,198.74/1,581,317.55 = 380,330.58/x
  3. Step 3: Cross multiply
    1,054,198.74x = 1,581,317.55 × 380,330.58
  4. Step 4: Simplify right side
    1,054,198.74x = 601,423,420,955.68
  5. Step 5: Solve for x
    x = 601,423,420,955.68/1,054,198.74
  6. Step 6: Final answer
    x = 570,502.88

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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.