Home / 1,244,834.66-1,866,144.20-486,503.68

Finding the Fourth Proportional to 1,244,834.66, 1,866,144.20 and 486,503.68

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Solution

The fourth proportional to 1,244,834.66, 1,866,144.20 and 486,503.68 is: 729,322.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,834.66 : 1,866,144.20 = 486,503.68 : x
  2. Step 2: Convert to fraction form
    1,244,834.66/1,866,144.20 = 486,503.68/x
  3. Step 3: Cross multiply
    1,244,834.66x = 1,866,144.20 × 486,503.68
  4. Step 4: Simplify right side
    1,244,834.66x = 907,886,020,710.66
  5. Step 5: Solve for x
    x = 907,886,020,710.66/1,244,834.66
  6. Step 6: Final answer
    x = 729,322.58

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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.