Home / 1,226,825.16-1,840,310.88-385,376.64

Finding the Fourth Proportional to 1,226,825.16, 1,840,310.88 and 385,376.64

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Solution

The fourth proportional to 1,226,825.16, 1,840,310.88 and 385,376.64 is: 578,087.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,825.16 : 1,840,310.88 = 385,376.64 : x
  2. Step 2: Convert to fraction form
    1,226,825.16/1,840,310.88 = 385,376.64/x
  3. Step 3: Cross multiply
    1,226,825.16x = 1,840,310.88 × 385,376.64
  4. Step 4: Simplify right side
    1,226,825.16x = 709,212,823,489.84
  5. Step 5: Solve for x
    x = 709,212,823,489.84/1,226,825.16
  6. Step 6: Final answer
    x = 578,087.94

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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.