Home / 1,709,421.30-2,358,842.76-945,458.46

Finding the Fourth Proportional to 1,709,421.30, 2,358,842.76 and 945,458.46

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Solution

The fourth proportional to 1,709,421.30, 2,358,842.76 and 945,458.46 is: 1,304,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,421.30 : 2,358,842.76 = 945,458.46 : x
  2. Step 2: Convert to fraction form
    1,709,421.30/2,358,842.76 = 945,458.46/x
  3. Step 3: Cross multiply
    1,709,421.30x = 2,358,842.76 × 945,458.46
  4. Step 4: Simplify right side
    1,709,421.30x = 2,230,187,843,251.75
  5. Step 5: Solve for x
    x = 2,230,187,843,251.75/1,709,421.30
  6. Step 6: Final answer
    x = 1,304,644.94

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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.