Home / 1,555,602.60-2,147,722.38-1,269,802.20

Finding the Fourth Proportional to 1,555,602.60, 2,147,722.38 and 1,269,802.20

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Solution

The fourth proportional to 1,555,602.60, 2,147,722.38 and 1,269,802.20 is: 1,753,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,602.60 : 2,147,722.38 = 1,269,802.20 : x
  2. Step 2: Convert to fraction form
    1,555,602.60/2,147,722.38 = 1,269,802.20/x
  3. Step 3: Cross multiply
    1,555,602.60x = 2,147,722.38 × 1,269,802.20
  4. Step 4: Simplify right side
    1,555,602.60x = 2,727,182,603,113.24
  5. Step 5: Solve for x
    x = 2,727,182,603,113.24/1,555,602.60
  6. Step 6: Final answer
    x = 1,753,135.80

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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.