Home / 1,558,215.78-2,338,373.43-611,474.82

Finding the Fourth Proportional to 1,558,215.78, 2,338,373.43 and 611,474.82

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Solution

The fourth proportional to 1,558,215.78, 2,338,373.43 and 611,474.82 is: 917,624.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,215.78 : 2,338,373.43 = 611,474.82 : x
  2. Step 2: Convert to fraction form
    1,558,215.78/2,338,373.43 = 611,474.82/x
  3. Step 3: Cross multiply
    1,558,215.78x = 2,338,373.43 × 611,474.82
  4. Step 4: Simplify right side
    1,558,215.78x = 1,429,856,472,202.03
  5. Step 5: Solve for x
    x = 1,429,856,472,202.03/1,558,215.78
  6. Step 6: Final answer
    x = 917,624.18

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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.