Home / 1,728,474.69-2,385,167.34-1,003,205.35

Finding the Fourth Proportional to 1,728,474.69, 2,385,167.34 and 1,003,205.35

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Solution

The fourth proportional to 1,728,474.69, 2,385,167.34 and 1,003,205.35 is: 1,384,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,474.69 : 2,385,167.34 = 1,003,205.35 : x
  2. Step 2: Convert to fraction form
    1,728,474.69/2,385,167.34 = 1,003,205.35/x
  3. Step 3: Cross multiply
    1,728,474.69x = 2,385,167.34 × 1,003,205.35
  4. Step 4: Simplify right side
    1,728,474.69x = 2,392,812,642,876.75
  5. Step 5: Solve for x
    x = 2,392,812,642,876.75/1,728,474.69
  6. Step 6: Final answer
    x = 1,384,349.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.