Home / 1,614,459.25-2,421,986.44-667,903.78

Finding the Fourth Proportional to 1,614,459.25, 2,421,986.44 and 667,903.78

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Solution

The fourth proportional to 1,614,459.25, 2,421,986.44 and 667,903.78 is: 1,001,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614,459.25 : 2,421,986.44 = 667,903.78 : x
  2. Step 2: Convert to fraction form
    1,614,459.25/2,421,986.44 = 667,903.78/x
  3. Step 3: Cross multiply
    1,614,459.25x = 2,421,986.44 × 667,903.78
  4. Step 4: Simplify right side
    1,614,459.25x = 1,617,653,898,384.74
  5. Step 5: Solve for x
    x = 1,617,653,898,384.74/1,614,459.25
  6. Step 6: Final answer
    x = 1,001,978.77

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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.