Home / 1,230,404.40-1,843,619.40-696,337.20

Finding the Fourth Proportional to 1,230,404.40, 1,843,619.40 and 696,337.20

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Solution

The fourth proportional to 1,230,404.40, 1,843,619.40 and 696,337.20 is: 1,043,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,404.40 : 1,843,619.40 = 696,337.20 : x
  2. Step 2: Convert to fraction form
    1,230,404.40/1,843,619.40 = 696,337.20/x
  3. Step 3: Cross multiply
    1,230,404.40x = 1,843,619.40 × 696,337.20
  4. Step 4: Simplify right side
    1,230,404.40x = 1,283,780,770,861.68
  5. Step 5: Solve for x
    x = 1,283,780,770,861.68/1,230,404.40
  6. Step 6: Final answer
    x = 1,043,381.16

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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.