Home / 1,260,336.48-1,890,495-313,700.88

Finding the Fourth Proportional to 1,260,336.48, 1,890,495 and 313,700.88

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Solution

The fourth proportional to 1,260,336.48, 1,890,495 and 313,700.88 is: 470,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,336.48 : 1,890,495 = 313,700.88 : x
  2. Step 2: Convert to fraction form
    1,260,336.48/1,890,495 = 313,700.88/x
  3. Step 3: Cross multiply
    1,260,336.48x = 1,890,495 × 313,700.88
  4. Step 4: Simplify right side
    1,260,336.48x = 593,049,945,135.60
  5. Step 5: Solve for x
    x = 593,049,945,135.60/1,260,336.48
  6. Step 6: Final answer
    x = 470,548.90

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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.