Home / 1,346,700.78-1,858,446.18-863,265.78

Finding the Fourth Proportional to 1,346,700.78, 1,858,446.18 and 863,265.78

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Solution

The fourth proportional to 1,346,700.78, 1,858,446.18 and 863,265.78 is: 1,191,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,700.78 : 1,858,446.18 = 863,265.78 : x
  2. Step 2: Convert to fraction form
    1,346,700.78/1,858,446.18 = 863,265.78/x
  3. Step 3: Cross multiply
    1,346,700.78x = 1,858,446.18 × 863,265.78
  4. Step 4: Simplify right side
    1,346,700.78x = 1,604,332,991,165.72
  5. Step 5: Solve for x
    x = 1,604,332,991,165.72/1,346,700.78
  6. Step 6: Final answer
    x = 1,191,306.20

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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.