Home / 927,419.64-1,286,386.88-902,837.76

Finding the Fourth Proportional to 927,419.64, 1,286,386.88 and 902,837.76

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Solution

The fourth proportional to 927,419.64, 1,286,386.88 and 902,837.76 is: 1,252,290.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,419.64 : 1,286,386.88 = 902,837.76 : x
  2. Step 2: Convert to fraction form
    927,419.64/1,286,386.88 = 902,837.76/x
  3. Step 3: Cross multiply
    927,419.64x = 1,286,386.88 × 902,837.76
  4. Step 4: Simplify right side
    927,419.64x = 1,161,398,638,286.47
  5. Step 5: Solve for x
    x = 1,161,398,638,286.47/927,419.64
  6. Step 6: Final answer
    x = 1,252,290.33

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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.