Home / 1,026,839.32-1,416,604.36-687,416.92

Finding the Fourth Proportional to 1,026,839.32, 1,416,604.36 and 687,416.92

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Solution

The fourth proportional to 1,026,839.32, 1,416,604.36 and 687,416.92 is: 948,344.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,839.32 : 1,416,604.36 = 687,416.92 : x
  2. Step 2: Convert to fraction form
    1,026,839.32/1,416,604.36 = 687,416.92/x
  3. Step 3: Cross multiply
    1,026,839.32x = 1,416,604.36 × 687,416.92
  4. Step 4: Simplify right side
    1,026,839.32x = 973,797,806,009.77
  5. Step 5: Solve for x
    x = 973,797,806,009.77/1,026,839.32
  6. Step 6: Final answer
    x = 948,344.87

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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.