Home / 1,645,355.08-2,270,757.54-1,000,819.72

Finding the Fourth Proportional to 1,645,355.08, 2,270,757.54 and 1,000,819.72

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Solution

The fourth proportional to 1,645,355.08, 2,270,757.54 and 1,000,819.72 is: 1,381,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,355.08 : 2,270,757.54 = 1,000,819.72 : x
  2. Step 2: Convert to fraction form
    1,645,355.08/2,270,757.54 = 1,000,819.72/x
  3. Step 3: Cross multiply
    1,645,355.08x = 2,270,757.54 × 1,000,819.72
  4. Step 4: Simplify right side
    1,645,355.08x = 2,272,618,925,370.69
  5. Step 5: Solve for x
    x = 2,272,618,925,370.69/1,645,355.08
  6. Step 6: Final answer
    x = 1,381,233.12

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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.