Home / 1,344,222.43-1,855,712.57-910,928.88

Finding the Fourth Proportional to 1,344,222.43, 1,855,712.57 and 910,928.88

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Solution

The fourth proportional to 1,344,222.43, 1,855,712.57 and 910,928.88 is: 1,257,546.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,222.43 : 1,855,712.57 = 910,928.88 : x
  2. Step 2: Convert to fraction form
    1,344,222.43/1,855,712.57 = 910,928.88/x
  3. Step 3: Cross multiply
    1,344,222.43x = 1,855,712.57 × 910,928.88
  4. Step 4: Simplify right side
    1,344,222.43x = 1,690,422,168,437.38
  5. Step 5: Solve for x
    x = 1,690,422,168,437.38/1,344,222.43
  6. Step 6: Final answer
    x = 1,257,546.47

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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.