Home / 1,359,870.86-1,876,623.69-756,258.86

Finding the Fourth Proportional to 1,359,870.86, 1,876,623.69 and 756,258.86

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Solution

The fourth proportional to 1,359,870.86, 1,876,623.69 and 756,258.86 is: 1,043,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,870.86 : 1,876,623.69 = 756,258.86 : x
  2. Step 2: Convert to fraction form
    1,359,870.86/1,876,623.69 = 756,258.86/x
  3. Step 3: Cross multiply
    1,359,870.86x = 1,876,623.69 × 756,258.86
  4. Step 4: Simplify right side
    1,359,870.86x = 1,419,213,292,448.39
  5. Step 5: Solve for x
    x = 1,419,213,292,448.39/1,359,870.86
  6. Step 6: Final answer
    x = 1,043,638.29

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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.