Home / 1,448,771.40-2,174,712.30-818,915.40

Finding the Fourth Proportional to 1,448,771.40, 2,174,712.30 and 818,915.40

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Solution

The fourth proportional to 1,448,771.40, 2,174,712.30 and 818,915.40 is: 1,229,252.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,771.40 : 2,174,712.30 = 818,915.40 : x
  2. Step 2: Convert to fraction form
    1,448,771.40/2,174,712.30 = 818,915.40/x
  3. Step 3: Cross multiply
    1,448,771.40x = 2,174,712.30 × 818,915.40
  4. Step 4: Simplify right side
    1,448,771.40x = 1,780,905,393,039.42
  5. Step 5: Solve for x
    x = 1,780,905,393,039.42/1,448,771.40
  6. Step 6: Final answer
    x = 1,229,252.17

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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.