Home / 1,429,018.12-1,971,936.66-784,335.88

Finding the Fourth Proportional to 1,429,018.12, 1,971,936.66 and 784,335.88

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Solution

The fourth proportional to 1,429,018.12, 1,971,936.66 and 784,335.88 is: 1,082,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,018.12 : 1,971,936.66 = 784,335.88 : x
  2. Step 2: Convert to fraction form
    1,429,018.12/1,971,936.66 = 784,335.88/x
  3. Step 3: Cross multiply
    1,429,018.12x = 1,971,936.66 × 784,335.88
  4. Step 4: Simplify right side
    1,429,018.12x = 1,546,660,675,525.36
  5. Step 5: Solve for x
    x = 1,546,660,675,525.36/1,429,018.12
  6. Step 6: Final answer
    x = 1,082,324.05

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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.