Home / 1,296,059.60-1,944,089.40-821,334.80

Finding the Fourth Proportional to 1,296,059.60, 1,944,089.40 and 821,334.80

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Solution

The fourth proportional to 1,296,059.60, 1,944,089.40 and 821,334.80 is: 1,232,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,059.60 : 1,944,089.40 = 821,334.80 : x
  2. Step 2: Convert to fraction form
    1,296,059.60/1,944,089.40 = 821,334.80/x
  3. Step 3: Cross multiply
    1,296,059.60x = 1,944,089.40 × 821,334.80
  4. Step 4: Simplify right side
    1,296,059.60x = 1,596,748,278,531.12
  5. Step 5: Solve for x
    x = 1,596,748,278,531.12/1,296,059.60
  6. Step 6: Final answer
    x = 1,232,002.20

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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.