Home / 814,244.20-1,221,366.30-802,434.40

Finding the Fourth Proportional to 814,244.20, 1,221,366.30 and 802,434.40

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Solution

The fourth proportional to 814,244.20, 1,221,366.30 and 802,434.40 is: 1,203,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,244.20 : 1,221,366.30 = 802,434.40 : x
  2. Step 2: Convert to fraction form
    814,244.20/1,221,366.30 = 802,434.40/x
  3. Step 3: Cross multiply
    814,244.20x = 1,221,366.30 × 802,434.40
  4. Step 4: Simplify right side
    814,244.20x = 980,066,334,120.72
  5. Step 5: Solve for x
    x = 980,066,334,120.72/814,244.20
  6. Step 6: Final answer
    x = 1,203,651.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.