Home / 1,391,225.50-2,086,230.57-492,368.50

Finding the Fourth Proportional to 1,391,225.50, 2,086,230.57 and 492,368.50

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Solution

The fourth proportional to 1,391,225.50, 2,086,230.57 and 492,368.50 is: 738,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,225.50 : 2,086,230.57 = 492,368.50 : x
  2. Step 2: Convert to fraction form
    1,391,225.50/2,086,230.57 = 492,368.50/x
  3. Step 3: Cross multiply
    1,391,225.50x = 2,086,230.57 × 492,368.50
  4. Step 4: Simplify right side
    1,391,225.50x = 1,027,194,216,405.05
  5. Step 5: Solve for x
    x = 1,027,194,216,405.05/1,391,225.50
  6. Step 6: Final answer
    x = 738,337.69

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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.