Home / 1,125,399.15-1,552,044.92-820,186.92

Finding the Fourth Proportional to 1,125,399.15, 1,552,044.92 and 820,186.92

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Solution

The fourth proportional to 1,125,399.15, 1,552,044.92 and 820,186.92 is: 1,131,124.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,399.15 : 1,552,044.92 = 820,186.92 : x
  2. Step 2: Convert to fraction form
    1,125,399.15/1,552,044.92 = 820,186.92/x
  3. Step 3: Cross multiply
    1,125,399.15x = 1,552,044.92 × 820,186.92
  4. Step 4: Simplify right side
    1,125,399.15x = 1,272,966,938,535.51
  5. Step 5: Solve for x
    x = 1,272,966,938,535.51/1,125,399.15
  6. Step 6: Final answer
    x = 1,131,124.84

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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.