Home / 1,319,877.43-1,821,430.85-716,265.43

Finding the Fourth Proportional to 1,319,877.43, 1,821,430.85 and 716,265.43

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Solution

The fourth proportional to 1,319,877.43, 1,821,430.85 and 716,265.43 is: 988,446.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,877.43 : 1,821,430.85 = 716,265.43 : x
  2. Step 2: Convert to fraction form
    1,319,877.43/1,821,430.85 = 716,265.43/x
  3. Step 3: Cross multiply
    1,319,877.43x = 1,821,430.85 × 716,265.43
  4. Step 4: Simplify right side
    1,319,877.43x = 1,304,627,942,855.61
  5. Step 5: Solve for x
    x = 1,304,627,942,855.61/1,319,877.43
  6. Step 6: Final answer
    x = 988,446.29

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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.