Home / 1,679,661.25-2,519,493.84-417,488.87

Finding the Fourth Proportional to 1,679,661.25, 2,519,493.84 and 417,488.87

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Solution

The fourth proportional to 1,679,661.25, 2,519,493.84 and 417,488.87 is: 626,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,661.25 : 2,519,493.84 = 417,488.87 : x
  2. Step 2: Convert to fraction form
    1,679,661.25/2,519,493.84 = 417,488.87/x
  3. Step 3: Cross multiply
    1,679,661.25x = 2,519,493.84 × 417,488.87
  4. Step 4: Simplify right side
    1,679,661.25x = 1,051,860,642,532.30
  5. Step 5: Solve for x
    x = 1,051,860,642,532.30/1,679,661.25
  6. Step 6: Final answer
    x = 626,233.80

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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.