Home / 1,348,824.40-2,022,912.60-778,973.20

Finding the Fourth Proportional to 1,348,824.40, 2,022,912.60 and 778,973.20

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Solution

The fourth proportional to 1,348,824.40, 2,022,912.60 and 778,973.20 is: 1,168,272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,824.40 : 2,022,912.60 = 778,973.20 : x
  2. Step 2: Convert to fraction form
    1,348,824.40/2,022,912.60 = 778,973.20/x
  3. Step 3: Cross multiply
    1,348,824.40x = 2,022,912.60 × 778,973.20
  4. Step 4: Simplify right side
    1,348,824.40x = 1,575,794,701,342.32
  5. Step 5: Solve for x
    x = 1,575,794,701,342.32/1,348,824.40
  6. Step 6: Final answer
    x = 1,168,272.68

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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.