Home / 1,108,763.12-1,530,090.97-625,326.77

Finding the Fourth Proportional to 1,108,763.12, 1,530,090.97 and 625,326.77

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Solution

The fourth proportional to 1,108,763.12, 1,530,090.97 and 625,326.77 is: 862,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,763.12 : 1,530,090.97 = 625,326.77 : x
  2. Step 2: Convert to fraction form
    1,108,763.12/1,530,090.97 = 625,326.77/x
  3. Step 3: Cross multiply
    1,108,763.12x = 1,530,090.97 × 625,326.77
  4. Step 4: Simplify right side
    1,108,763.12x = 956,806,844,076.27
  5. Step 5: Solve for x
    x = 956,806,844,076.27/1,108,763.12
  6. Step 6: Final answer
    x = 862,949.74

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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.