Home / 1,498,880.40-2,068,504.20-819,816.92

Finding the Fourth Proportional to 1,498,880.40, 2,068,504.20 and 819,816.92

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Solution

The fourth proportional to 1,498,880.40, 2,068,504.20 and 819,816.92 is: 1,131,374.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,880.40 : 2,068,504.20 = 819,816.92 : x
  2. Step 2: Convert to fraction form
    1,498,880.40/2,068,504.20 = 819,816.92/x
  3. Step 3: Cross multiply
    1,498,880.40x = 2,068,504.20 × 819,816.92
  4. Step 4: Simplify right side
    1,498,880.40x = 1,695,794,742,251.06
  5. Step 5: Solve for x
    x = 1,695,794,742,251.06/1,498,880.40
  6. Step 6: Final answer
    x = 1,131,374.29

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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.