Home / 1,465,945.80-2,198,328.12-612,458.16

Finding the Fourth Proportional to 1,465,945.80, 2,198,328.12 and 612,458.16

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Solution

The fourth proportional to 1,465,945.80, 2,198,328.12 and 612,458.16 is: 918,440.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,945.80 : 2,198,328.12 = 612,458.16 : x
  2. Step 2: Convert to fraction form
    1,465,945.80/2,198,328.12 = 612,458.16/x
  3. Step 3: Cross multiply
    1,465,945.80x = 2,198,328.12 × 612,458.16
  4. Step 4: Simplify right side
    1,465,945.80x = 1,346,383,995,451.46
  5. Step 5: Solve for x
    x = 1,346,383,995,451.46/1,465,945.80
  6. Step 6: Final answer
    x = 918,440.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.