Home / 1,673,257.32-2,309,109.84-909,311.04

Finding the Fourth Proportional to 1,673,257.32, 2,309,109.84 and 909,311.04

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Solution

The fourth proportional to 1,673,257.32, 2,309,109.84 and 909,311.04 is: 1,254,857.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,257.32 : 2,309,109.84 = 909,311.04 : x
  2. Step 2: Convert to fraction form
    1,673,257.32/2,309,109.84 = 909,311.04/x
  3. Step 3: Cross multiply
    1,673,257.32x = 2,309,109.84 × 909,311.04
  4. Step 4: Simplify right side
    1,673,257.32x = 2,099,699,070,084.63
  5. Step 5: Solve for x
    x = 2,099,699,070,084.63/1,673,257.32
  6. Step 6: Final answer
    x = 1,254,857.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.