Home / 1,263,564.80-1,894,425.60-515,225.60

Finding the Fourth Proportional to 1,263,564.80, 1,894,425.60 and 515,225.60

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Solution

The fourth proportional to 1,263,564.80, 1,894,425.60 and 515,225.60 is: 772,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,564.80 : 1,894,425.60 = 515,225.60 : x
  2. Step 2: Convert to fraction form
    1,263,564.80/1,894,425.60 = 515,225.60/x
  3. Step 3: Cross multiply
    1,263,564.80x = 1,894,425.60 × 515,225.60
  4. Step 4: Simplify right side
    1,263,564.80x = 976,056,566,415.36
  5. Step 5: Solve for x
    x = 976,056,566,415.36/1,263,564.80
  6. Step 6: Final answer
    x = 772,462.61

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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.