Home / 1,428,281.70-2,140,207.61-827,753.37

Finding the Fourth Proportional to 1,428,281.70, 2,140,207.61 and 827,753.37

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Solution

The fourth proportional to 1,428,281.70, 2,140,207.61 and 827,753.37 is: 1,240,346.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,281.70 : 2,140,207.61 = 827,753.37 : x
  2. Step 2: Convert to fraction form
    1,428,281.70/2,140,207.61 = 827,753.37/x
  3. Step 3: Cross multiply
    1,428,281.70x = 2,140,207.61 × 827,753.37
  4. Step 4: Simplify right side
    1,428,281.70x = 1,771,564,057,538.38
  5. Step 5: Solve for x
    x = 1,771,564,057,538.38/1,428,281.70
  6. Step 6: Final answer
    x = 1,240,346.39

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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.