Home / 1,522,859.74-2,284,294.77-385,621.43

Finding the Fourth Proportional to 1,522,859.74, 2,284,294.77 and 385,621.43

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Solution

The fourth proportional to 1,522,859.74, 2,284,294.77 and 385,621.43 is: 578,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,859.74 : 2,284,294.77 = 385,621.43 : x
  2. Step 2: Convert to fraction form
    1,522,859.74/2,284,294.77 = 385,621.43/x
  3. Step 3: Cross multiply
    1,522,859.74x = 2,284,294.77 × 385,621.43
  4. Step 4: Simplify right side
    1,522,859.74x = 880,873,004,327.45
  5. Step 5: Solve for x
    x = 880,873,004,327.45/1,522,859.74
  6. Step 6: Final answer
    x = 578,433.45

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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.