Home / 1,476,679.40-2,215,089.51-717,616.55

Finding the Fourth Proportional to 1,476,679.40, 2,215,089.51 and 717,616.55

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Solution

The fourth proportional to 1,476,679.40, 2,215,089.51 and 717,616.55 is: 1,076,459.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,679.40 : 2,215,089.51 = 717,616.55 : x
  2. Step 2: Convert to fraction form
    1,476,679.40/2,215,089.51 = 717,616.55/x
  3. Step 3: Cross multiply
    1,476,679.40x = 2,215,089.51 × 717,616.55
  4. Step 4: Simplify right side
    1,476,679.40x = 1,589,584,888,519.31
  5. Step 5: Solve for x
    x = 1,589,584,888,519.31/1,476,679.40
  6. Step 6: Final answer
    x = 1,076,459.04

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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.