Home / 1,426,011.42-2,138,910.21-415,141.14

Finding the Fourth Proportional to 1,426,011.42, 2,138,910.21 and 415,141.14

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Solution

The fourth proportional to 1,426,011.42, 2,138,910.21 and 415,141.14 is: 622,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,011.42 : 2,138,910.21 = 415,141.14 : x
  2. Step 2: Convert to fraction form
    1,426,011.42/2,138,910.21 = 415,141.14/x
  3. Step 3: Cross multiply
    1,426,011.42x = 2,138,910.21 × 415,141.14
  4. Step 4: Simplify right side
    1,426,011.42x = 887,949,622,937.04
  5. Step 5: Solve for x
    x = 887,949,622,937.04/1,426,011.42
  6. Step 6: Final answer
    x = 622,680.58

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1.5x scale

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.