Home / 1,108,731.65-1,530,101.75-625,286.79

Finding the Fourth Proportional to 1,108,731.65, 1,530,101.75 and 625,286.79

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Solution

The fourth proportional to 1,108,731.65, 1,530,101.75 and 625,286.79 is: 862,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,731.65 : 1,530,101.75 = 625,286.79 : x
  2. Step 2: Convert to fraction form
    1,108,731.65/1,530,101.75 = 625,286.79/x
  3. Step 3: Cross multiply
    1,108,731.65x = 1,530,101.75 × 625,286.79
  4. Step 4: Simplify right side
    1,108,731.65x = 956,752,408,504.45
  5. Step 5: Solve for x
    x = 956,752,408,504.45/1,108,731.65
  6. Step 6: Final answer
    x = 862,925.14

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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.