Home / 1,655,090.43-2,479,191.12-1,053,069.45

Finding the Fourth Proportional to 1,655,090.43, 2,479,191.12 and 1,053,069.45

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Solution

The fourth proportional to 1,655,090.43, 2,479,191.12 and 1,053,069.45 is: 1,577,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655,090.43 : 2,479,191.12 = 1,053,069.45 : x
  2. Step 2: Convert to fraction form
    1,655,090.43/2,479,191.12 = 1,053,069.45/x
  3. Step 3: Cross multiply
    1,655,090.43x = 2,479,191.12 × 1,053,069.45
  4. Step 4: Simplify right side
    1,655,090.43x = 2,610,760,429,183.28
  5. Step 5: Solve for x
    x = 2,610,760,429,183.28/1,655,090.43
  6. Step 6: Final answer
    x = 1,577,412.56

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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.