Home / 1,345,474.45-1,857,204.62-801,780.76

Finding the Fourth Proportional to 1,345,474.45, 1,857,204.62 and 801,780.76

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Solution

The fourth proportional to 1,345,474.45, 1,857,204.62 and 801,780.76 is: 1,106,725.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,474.45 : 1,857,204.62 = 801,780.76 : x
  2. Step 2: Convert to fraction form
    1,345,474.45/1,857,204.62 = 801,780.76/x
  3. Step 3: Cross multiply
    1,345,474.45x = 1,857,204.62 × 801,780.76
  4. Step 4: Simplify right side
    1,345,474.45x = 1,489,070,931,699.11
  5. Step 5: Solve for x
    x = 1,489,070,931,699.11/1,345,474.45
  6. Step 6: Final answer
    x = 1,106,725.54

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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.