Home / 1,513,486.50-2,088,615.69-825,165.78

Finding the Fourth Proportional to 1,513,486.50, 2,088,615.69 and 825,165.78

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Solution

The fourth proportional to 1,513,486.50, 2,088,615.69 and 825,165.78 is: 1,138,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,486.50 : 2,088,615.69 = 825,165.78 : x
  2. Step 2: Convert to fraction form
    1,513,486.50/2,088,615.69 = 825,165.78/x
  3. Step 3: Cross multiply
    1,513,486.50x = 2,088,615.69 × 825,165.78
  4. Step 4: Simplify right side
    1,513,486.50x = 1,723,454,194,959.09
  5. Step 5: Solve for x
    x = 1,723,454,194,959.09/1,513,486.50
  6. Step 6: Final answer
    x = 1,138,731.13

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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.