Home / 1,445,790.68-1,995,166.78-801,209.56

Finding the Fourth Proportional to 1,445,790.68, 1,995,166.78 and 801,209.56

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Solution

The fourth proportional to 1,445,790.68, 1,995,166.78 and 801,209.56 is: 1,105,655.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,790.68 : 1,995,166.78 = 801,209.56 : x
  2. Step 2: Convert to fraction form
    1,445,790.68/1,995,166.78 = 801,209.56/x
  3. Step 3: Cross multiply
    1,445,790.68x = 1,995,166.78 × 801,209.56
  4. Step 4: Simplify right side
    1,445,790.68x = 1,598,546,697,930.42
  5. Step 5: Solve for x
    x = 1,598,546,697,930.42/1,445,790.68
  6. Step 6: Final answer
    x = 1,105,655.69

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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.