Home / 1,418,022.45-2,125,259.78-708,248.61

Finding the Fourth Proportional to 1,418,022.45, 2,125,259.78 and 708,248.61

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Solution

The fourth proportional to 1,418,022.45, 2,125,259.78 and 708,248.61 is: 1,061,486.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,022.45 : 2,125,259.78 = 708,248.61 : x
  2. Step 2: Convert to fraction form
    1,418,022.45/2,125,259.78 = 708,248.61/x
  3. Step 3: Cross multiply
    1,418,022.45x = 2,125,259.78 × 708,248.61
  4. Step 4: Simplify right side
    1,418,022.45x = 1,505,212,281,532.66
  5. Step 5: Solve for x
    x = 1,505,212,281,532.66/1,418,022.45
  6. Step 6: Final answer
    x = 1,061,486.92

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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.