Home / 1,382,976-2,074,814.08-385,704

Finding the Fourth Proportional to 1,382,976, 2,074,814.08 and 385,704

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Solution

The fourth proportional to 1,382,976, 2,074,814.08 and 385,704 is: 578,653.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,976 : 2,074,814.08 = 385,704 : x
  2. Step 2: Convert to fraction form
    1,382,976/2,074,814.08 = 385,704/x
  3. Step 3: Cross multiply
    1,382,976x = 2,074,814.08 × 385,704
  4. Step 4: Simplify right side
    1,382,976x = 800,264,089,912.32
  5. Step 5: Solve for x
    x = 800,264,089,912.32/1,382,976
  6. Step 6: Final answer
    x = 578,653.64

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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.