Home / 1,346,630.28-1,858,349.03-863,195.15

Finding the Fourth Proportional to 1,346,630.28, 1,858,349.03 and 863,195.15

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Solution

The fourth proportional to 1,346,630.28, 1,858,349.03 and 863,195.15 is: 1,191,208.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,630.28 : 1,858,349.03 = 863,195.15 : x
  2. Step 2: Convert to fraction form
    1,346,630.28/1,858,349.03 = 863,195.15/x
  3. Step 3: Cross multiply
    1,346,630.28x = 1,858,349.03 × 863,195.15
  4. Step 4: Simplify right side
    1,346,630.28x = 1,604,117,856,095.48
  5. Step 5: Solve for x
    x = 1,604,117,856,095.48/1,346,630.28
  6. Step 6: Final answer
    x = 1,191,208.81

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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.