Home / 1,323,463.20-1,985,194.80-851,071.20

Finding the Fourth Proportional to 1,323,463.20, 1,985,194.80 and 851,071.20

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Solution

The fourth proportional to 1,323,463.20, 1,985,194.80 and 851,071.20 is: 1,276,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,463.20 : 1,985,194.80 = 851,071.20 : x
  2. Step 2: Convert to fraction form
    1,323,463.20/1,985,194.80 = 851,071.20/x
  3. Step 3: Cross multiply
    1,323,463.20x = 1,985,194.80 × 851,071.20
  4. Step 4: Simplify right side
    1,323,463.20x = 1,689,542,120,669.76
  5. Step 5: Solve for x
    x = 1,689,542,120,669.76/1,323,463.20
  6. Step 6: Final answer
    x = 1,276,606.80

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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.