Home / 1,617,719.40-2,425,704.30-671,185.80

Finding the Fourth Proportional to 1,617,719.40, 2,425,704.30 and 671,185.80

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Solution

The fourth proportional to 1,617,719.40, 2,425,704.30 and 671,185.80 is: 1,006,415.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,719.40 : 2,425,704.30 = 671,185.80 : x
  2. Step 2: Convert to fraction form
    1,617,719.40/2,425,704.30 = 671,185.80/x
  3. Step 3: Cross multiply
    1,617,719.40x = 2,425,704.30 × 671,185.80
  4. Step 4: Simplify right side
    1,617,719.40x = 1,628,098,281,158.94
  5. Step 5: Solve for x
    x = 1,628,098,281,158.94/1,617,719.40
  6. Step 6: Final answer
    x = 1,006,415.75

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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.