Home / 1,845,027.20-2,767,929.60-779,520.80

Finding the Fourth Proportional to 1,845,027.20, 2,767,929.60 and 779,520.80

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Solution

The fourth proportional to 1,845,027.20, 2,767,929.60 and 779,520.80 is: 1,169,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,027.20 : 2,767,929.60 = 779,520.80 : x
  2. Step 2: Convert to fraction form
    1,845,027.20/2,767,929.60 = 779,520.80/x
  3. Step 3: Cross multiply
    1,845,027.20x = 2,767,929.60 × 779,520.80
  4. Step 4: Simplify right side
    1,845,027.20x = 2,157,658,696,135.68
  5. Step 5: Solve for x
    x = 2,157,658,696,135.68/1,845,027.20
  6. Step 6: Final answer
    x = 1,169,445.47

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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.