Home / 1,108,929.87-1,530,340.83-625,504.64

Finding the Fourth Proportional to 1,108,929.87, 1,530,340.83 and 625,504.64

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Solution

The fourth proportional to 1,108,929.87, 1,530,340.83 and 625,504.64 is: 863,206.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,929.87 : 1,530,340.83 = 625,504.64 : x
  2. Step 2: Convert to fraction form
    1,108,929.87/1,530,340.83 = 625,504.64/x
  3. Step 3: Cross multiply
    1,108,929.87x = 1,530,340.83 × 625,504.64
  4. Step 4: Simplify right side
    1,108,929.87x = 957,235,282,294.75
  5. Step 5: Solve for x
    x = 957,235,282,294.75/1,108,929.87
  6. Step 6: Final answer
    x = 863,206.33

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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.