Home / 1,284,698.70-1,925,046.45-485,544.30

Finding the Fourth Proportional to 1,284,698.70, 1,925,046.45 and 485,544.30

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Solution

The fourth proportional to 1,284,698.70, 1,925,046.45 and 485,544.30 is: 727,559.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,698.70 : 1,925,046.45 = 485,544.30 : x
  2. Step 2: Convert to fraction form
    1,284,698.70/1,925,046.45 = 485,544.30/x
  3. Step 3: Cross multiply
    1,284,698.70x = 1,925,046.45 × 485,544.30
  4. Step 4: Simplify right side
    1,284,698.70x = 934,695,331,032.74
  5. Step 5: Solve for x
    x = 934,695,331,032.74/1,284,698.70
  6. Step 6: Final answer
    x = 727,559.96

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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.