Home / 1,513,646.37-2,088,979.61-1,131,008.85

Finding the Fourth Proportional to 1,513,646.37, 2,088,979.61 and 1,131,008.85

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Solution

The fourth proportional to 1,513,646.37, 2,088,979.61 and 1,131,008.85 is: 1,560,902.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,646.37 : 2,088,979.61 = 1,131,008.85 : x
  2. Step 2: Convert to fraction form
    1,513,646.37/2,088,979.61 = 1,131,008.85/x
  3. Step 3: Cross multiply
    1,513,646.37x = 2,088,979.61 × 1,131,008.85
  4. Step 4: Simplify right side
    1,513,646.37x = 2,362,654,420,724.50
  5. Step 5: Solve for x
    x = 2,362,654,420,724.50/1,513,646.37
  6. Step 6: Final answer
    x = 1,560,902.51

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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.