Home / 1,010,653.90-1,515,980.85-479,212.90

Finding the Fourth Proportional to 1,010,653.90, 1,515,980.85 and 479,212.90

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Solution

The fourth proportional to 1,010,653.90, 1,515,980.85 and 479,212.90 is: 718,819.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,653.90 : 1,515,980.85 = 479,212.90 : x
  2. Step 2: Convert to fraction form
    1,010,653.90/1,515,980.85 = 479,212.90/x
  3. Step 3: Cross multiply
    1,010,653.90x = 1,515,980.85 × 479,212.90
  4. Step 4: Simplify right side
    1,010,653.90x = 726,477,579,472.97
  5. Step 5: Solve for x
    x = 726,477,579,472.97/1,010,653.90
  6. Step 6: Final answer
    x = 718,819.35

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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.