Home / 1,290,462.06-1,780,333.64-738,883

Finding the Fourth Proportional to 1,290,462.06, 1,780,333.64 and 738,883

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Solution

The fourth proportional to 1,290,462.06, 1,780,333.64 and 738,883 is: 1,019,369.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,462.06 : 1,780,333.64 = 738,883 : x
  2. Step 2: Convert to fraction form
    1,290,462.06/1,780,333.64 = 738,883/x
  3. Step 3: Cross multiply
    1,290,462.06x = 1,780,333.64 × 738,883
  4. Step 4: Simplify right side
    1,290,462.06x = 1,315,458,260,924.12
  5. Step 5: Solve for x
    x = 1,315,458,260,924.12/1,290,462.06
  6. Step 6: Final answer
    x = 1,019,369.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.