Home / 985,261.10-1,477,891.65-825,828.80

Finding the Fourth Proportional to 985,261.10, 1,477,891.65 and 825,828.80

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Solution

The fourth proportional to 985,261.10, 1,477,891.65 and 825,828.80 is: 1,238,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,261.10 : 1,477,891.65 = 825,828.80 : x
  2. Step 2: Convert to fraction form
    985,261.10/1,477,891.65 = 825,828.80/x
  3. Step 3: Cross multiply
    985,261.10x = 1,477,891.65 × 825,828.80
  4. Step 4: Simplify right side
    985,261.10x = 1,220,485,487,849.52
  5. Step 5: Solve for x
    x = 1,220,485,487,849.52/985,261.10
  6. Step 6: Final answer
    x = 1,238,743.20

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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.