Home / 1,054,422.39-1,581,554.67-380,503.68

Finding the Fourth Proportional to 1,054,422.39, 1,581,554.67 and 380,503.68

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Solution

The fourth proportional to 1,054,422.39, 1,581,554.67 and 380,503.68 is: 570,727.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,422.39 : 1,581,554.67 = 380,503.68 : x
  2. Step 2: Convert to fraction form
    1,054,422.39/1,581,554.67 = 380,503.68/x
  3. Step 3: Cross multiply
    1,054,422.39x = 1,581,554.67 × 380,503.68
  4. Step 4: Simplify right side
    1,054,422.39x = 601,787,372,056.19
  5. Step 5: Solve for x
    x = 601,787,372,056.19/1,054,422.39
  6. Step 6: Final answer
    x = 570,727.04

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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.