Home / 927,416.39-1,286,382.36-902,834.51

Finding the Fourth Proportional to 927,416.39, 1,286,382.36 and 902,834.51

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Solution

The fourth proportional to 927,416.39, 1,286,382.36 and 902,834.51 is: 1,252,285.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,416.39 : 1,286,382.36 = 902,834.51 : x
  2. Step 2: Convert to fraction form
    927,416.39/1,286,382.36 = 902,834.51/x
  3. Step 3: Cross multiply
    927,416.39x = 1,286,382.36 × 902,834.51
  4. Step 4: Simplify right side
    927,416.39x = 1,161,390,384,616.96
  5. Step 5: Solve for x
    x = 1,161,390,384,616.96/927,416.39
  6. Step 6: Final answer
    x = 1,252,285.82

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.