Home / 1,260,098.56-1,890,154.72-313,469.28

Finding the Fourth Proportional to 1,260,098.56, 1,890,154.72 and 313,469.28

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Solution

The fourth proportional to 1,260,098.56, 1,890,154.72 and 313,469.28 is: 470,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,098.56 : 1,890,154.72 = 313,469.28 : x
  2. Step 2: Convert to fraction form
    1,260,098.56/1,890,154.72 = 313,469.28/x
  3. Step 3: Cross multiply
    1,260,098.56x = 1,890,154.72 × 313,469.28
  4. Step 4: Simplify right side
    1,260,098.56x = 592,505,439,167.00
  5. Step 5: Solve for x
    x = 592,505,439,167.00/1,260,098.56
  6. Step 6: Final answer
    x = 470,205.63

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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.