Home / 1,010,970.72-1,516,455.36-263,016.72

Finding the Fourth Proportional to 1,010,970.72, 1,516,455.36 and 263,016.72

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Solution

The fourth proportional to 1,010,970.72, 1,516,455.36 and 263,016.72 is: 394,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,970.72 : 1,516,455.36 = 263,016.72 : x
  2. Step 2: Convert to fraction form
    1,010,970.72/1,516,455.36 = 263,016.72/x
  3. Step 3: Cross multiply
    1,010,970.72x = 1,516,455.36 × 263,016.72
  4. Step 4: Simplify right side
    1,010,970.72x = 398,853,114,813.62
  5. Step 5: Solve for x
    x = 398,853,114,813.62/1,010,970.72
  6. Step 6: Final answer
    x = 394,524.89

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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.