Home / 1,260,318.48-1,890,468-313,682.82

Finding the Fourth Proportional to 1,260,318.48, 1,890,468 and 313,682.82

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Solution

The fourth proportional to 1,260,318.48, 1,890,468 and 313,682.82 is: 470,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,318.48 : 1,890,468 = 313,682.82 : x
  2. Step 2: Convert to fraction form
    1,260,318.48/1,890,468 = 313,682.82/x
  3. Step 3: Cross multiply
    1,260,318.48x = 1,890,468 × 313,682.82
  4. Step 4: Simplify right side
    1,260,318.48x = 593,007,333,359.76
  5. Step 5: Solve for x
    x = 593,007,333,359.76/1,260,318.48
  6. Step 6: Final answer
    x = 470,521.81

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1.5x scale

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.