Home / 1,513,118.78-2,088,076.76-824,796.51

Finding the Fourth Proportional to 1,513,118.78, 2,088,076.76 and 824,796.51

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Solution

The fourth proportional to 1,513,118.78, 2,088,076.76 and 824,796.51 is: 1,138,204.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,118.78 : 2,088,076.76 = 824,796.51 : x
  2. Step 2: Convert to fraction form
    1,513,118.78/2,088,076.76 = 824,796.51/x
  3. Step 3: Cross multiply
    1,513,118.78x = 2,088,076.76 × 824,796.51
  4. Step 4: Simplify right side
    1,513,118.78x = 1,722,238,420,136.13
  5. Step 5: Solve for x
    x = 1,722,238,420,136.13/1,513,118.78
  6. Step 6: Final answer
    x = 1,138,204.38

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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.