Home / 1,054,405.58-1,581,281.07-380,399.06

Finding the Fourth Proportional to 1,054,405.58, 1,581,281.07 and 380,399.06

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Solution

The fourth proportional to 1,054,405.58, 1,581,281.07 and 380,399.06 is: 570,480.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,405.58 : 1,581,281.07 = 380,399.06 : x
  2. Step 2: Convert to fraction form
    1,054,405.58/1,581,281.07 = 380,399.06/x
  3. Step 3: Cross multiply
    1,054,405.58x = 1,581,281.07 × 380,399.06
  4. Step 4: Simplify right side
    1,054,405.58x = 601,517,824,717.39
  5. Step 5: Solve for x
    x = 601,517,824,717.39/1,054,405.58
  6. Step 6: Final answer
    x = 570,480.50

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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.