Home / 1,367,659.52-2,051,774.40-420,983.36

Finding the Fourth Proportional to 1,367,659.52, 2,051,774.40 and 420,983.36

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Solution

The fourth proportional to 1,367,659.52, 2,051,774.40 and 420,983.36 is: 631,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,659.52 : 2,051,774.40 = 420,983.36 : x
  2. Step 2: Convert to fraction form
    1,367,659.52/2,051,774.40 = 420,983.36/x
  3. Step 3: Cross multiply
    1,367,659.52x = 2,051,774.40 × 420,983.36
  4. Step 4: Simplify right side
    1,367,659.52x = 863,762,880,873.98
  5. Step 5: Solve for x
    x = 863,762,880,873.98/1,367,659.52
  6. Step 6: Final answer
    x = 631,562.80

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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.