Home / 1,340,348.60-2,012,078.10-808,470.20

Finding the Fourth Proportional to 1,340,348.60, 2,012,078.10 and 808,470.20

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Solution

The fourth proportional to 1,340,348.60, 2,012,078.10 and 808,470.20 is: 1,213,643.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,348.60 : 2,012,078.10 = 808,470.20 : x
  2. Step 2: Convert to fraction form
    1,340,348.60/2,012,078.10 = 808,470.20/x
  3. Step 3: Cross multiply
    1,340,348.60x = 2,012,078.10 × 808,470.20
  4. Step 4: Simplify right side
    1,340,348.60x = 1,626,705,183,922.62
  5. Step 5: Solve for x
    x = 1,626,705,183,922.62/1,340,348.60
  6. Step 6: Final answer
    x = 1,213,643.36

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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.