Home / 1,326,244.80-1,830,217.20-722,632.80

Finding the Fourth Proportional to 1,326,244.80, 1,830,217.20 and 722,632.80

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Solution

The fourth proportional to 1,326,244.80, 1,830,217.20 and 722,632.80 is: 997,232.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,244.80 : 1,830,217.20 = 722,632.80 : x
  2. Step 2: Convert to fraction form
    1,326,244.80/1,830,217.20 = 722,632.80/x
  3. Step 3: Cross multiply
    1,326,244.80x = 1,830,217.20 × 722,632.80
  4. Step 4: Simplify right side
    1,326,244.80x = 1,322,574,979,844.16
  5. Step 5: Solve for x
    x = 1,322,574,979,844.16/1,326,244.80
  6. Step 6: Final answer
    x = 997,232.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.