Home / 1,363,288.20-1,881,116.46-790,216.44

Finding the Fourth Proportional to 1,363,288.20, 1,881,116.46 and 790,216.44

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Solution

The fourth proportional to 1,363,288.20, 1,881,116.46 and 790,216.44 is: 1,090,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,288.20 : 1,881,116.46 = 790,216.44 : x
  2. Step 2: Convert to fraction form
    1,363,288.20/1,881,116.46 = 790,216.44/x
  3. Step 3: Cross multiply
    1,363,288.20x = 1,881,116.46 × 790,216.44
  4. Step 4: Simplify right side
    1,363,288.20x = 1,486,489,152,246.60
  5. Step 5: Solve for x
    x = 1,486,489,152,246.60/1,363,288.20
  6. Step 6: Final answer
    x = 1,090,370.44

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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.