Home / 1,054,439.32-1,581,331.86-380,433.04

Finding the Fourth Proportional to 1,054,439.32, 1,581,331.86 and 380,433.04

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Solution

The fourth proportional to 1,054,439.32, 1,581,331.86 and 380,433.04 is: 570,531.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,439.32 : 1,581,331.86 = 380,433.04 : x
  2. Step 2: Convert to fraction form
    1,054,439.32/1,581,331.86 = 380,433.04/x
  3. Step 3: Cross multiply
    1,054,439.32x = 1,581,331.86 × 380,433.04
  4. Step 4: Simplify right side
    1,054,439.32x = 601,590,886,748.65
  5. Step 5: Solve for x
    x = 601,590,886,748.65/1,054,439.32
  6. Step 6: Final answer
    x = 570,531.54

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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.