Home / 1,207,327.70-1,665,418.43-753,831.38

Finding the Fourth Proportional to 1,207,327.70, 1,665,418.43 and 753,831.38

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Solution

The fourth proportional to 1,207,327.70, 1,665,418.43 and 753,831.38 is: 1,039,854.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,327.70 : 1,665,418.43 = 753,831.38 : x
  2. Step 2: Convert to fraction form
    1,207,327.70/1,665,418.43 = 753,831.38/x
  3. Step 3: Cross multiply
    1,207,327.70x = 1,665,418.43 × 753,831.38
  4. Step 4: Simplify right side
    1,207,327.70x = 1,255,444,679,412.46
  5. Step 5: Solve for x
    x = 1,255,444,679,412.46/1,207,327.70
  6. Step 6: Final answer
    x = 1,039,854.11

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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.