Home / 1,357,716.69-1,873,440.90-784,646.28

Finding the Fourth Proportional to 1,357,716.69, 1,873,440.90 and 784,646.28

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Solution

The fourth proportional to 1,357,716.69, 1,873,440.90 and 784,646.28 is: 1,082,691.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,716.69 : 1,873,440.90 = 784,646.28 : x
  2. Step 2: Convert to fraction form
    1,357,716.69/1,873,440.90 = 784,646.28/x
  3. Step 3: Cross multiply
    1,357,716.69x = 1,873,440.90 × 784,646.28
  4. Step 4: Simplify right side
    1,357,716.69x = 1,469,988,432,984.85
  5. Step 5: Solve for x
    x = 1,469,988,432,984.85/1,357,716.69
  6. Step 6: Final answer
    x = 1,082,691.58

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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.