Home / 1,624,414.30-2,240,987.88-979,476.20

Finding the Fourth Proportional to 1,624,414.30, 2,240,987.88 and 979,476.20

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Solution

The fourth proportional to 1,624,414.30, 2,240,987.88 and 979,476.20 is: 1,351,252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624,414.30 : 2,240,987.88 = 979,476.20 : x
  2. Step 2: Convert to fraction form
    1,624,414.30/2,240,987.88 = 979,476.20/x
  3. Step 3: Cross multiply
    1,624,414.30x = 2,240,987.88 × 979,476.20
  4. Step 4: Simplify right side
    1,624,414.30x = 2,194,994,292,948.46
  5. Step 5: Solve for x
    x = 2,194,994,292,948.46/1,624,414.30
  6. Step 6: Final answer
    x = 1,351,252.75

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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.