Home / 1,153,211.20-1,729,981.89-354,559.80

Finding the Fourth Proportional to 1,153,211.20, 1,729,981.89 and 354,559.80

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Solution

The fourth proportional to 1,153,211.20, 1,729,981.89 and 354,559.80 is: 531,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,211.20 : 1,729,981.89 = 354,559.80 : x
  2. Step 2: Convert to fraction form
    1,153,211.20/1,729,981.89 = 354,559.80/x
  3. Step 3: Cross multiply
    1,153,211.20x = 1,729,981.89 × 354,559.80
  4. Step 4: Simplify right side
    1,153,211.20x = 613,382,022,499.31
  5. Step 5: Solve for x
    x = 613,382,022,499.31/1,153,211.20
  6. Step 6: Final answer
    x = 531,890.45

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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.