Home / 1,410,624.38-1,946,709.80-790,455.72

Finding the Fourth Proportional to 1,410,624.38, 1,946,709.80 and 790,455.72

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Solution

The fourth proportional to 1,410,624.38, 1,946,709.80 and 790,455.72 is: 1,090,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,624.38 : 1,946,709.80 = 790,455.72 : x
  2. Step 2: Convert to fraction form
    1,410,624.38/1,946,709.80 = 790,455.72/x
  3. Step 3: Cross multiply
    1,410,624.38x = 1,946,709.80 × 790,455.72
  4. Step 4: Simplify right side
    1,410,624.38x = 1,538,787,892,637.78
  5. Step 5: Solve for x
    x = 1,538,787,892,637.78/1,410,624.38
  6. Step 6: Final answer
    x = 1,090,855.88

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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.