Home / 1,207,833.75-1,666,831.64-663,992.46

Finding the Fourth Proportional to 1,207,833.75, 1,666,831.64 and 663,992.46

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Solution

The fourth proportional to 1,207,833.75, 1,666,831.64 and 663,992.46 is: 916,321.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,833.75 : 1,666,831.64 = 663,992.46 : x
  2. Step 2: Convert to fraction form
    1,207,833.75/1,666,831.64 = 663,992.46/x
  3. Step 3: Cross multiply
    1,207,833.75x = 1,666,831.64 × 663,992.46
  4. Step 4: Simplify right side
    1,207,833.75x = 1,106,763,637,729.47
  5. Step 5: Solve for x
    x = 1,106,763,637,729.47/1,207,833.75
  6. Step 6: Final answer
    x = 916,321.17

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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.