Home / 1,326,516.24-1,830,072.78-816,332.88

Finding the Fourth Proportional to 1,326,516.24, 1,830,072.78 and 816,332.88

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Solution

The fourth proportional to 1,326,516.24, 1,830,072.78 and 816,332.88 is: 1,126,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,516.24 : 1,830,072.78 = 816,332.88 : x
  2. Step 2: Convert to fraction form
    1,326,516.24/1,830,072.78 = 816,332.88/x
  3. Step 3: Cross multiply
    1,326,516.24x = 1,830,072.78 × 816,332.88
  4. Step 4: Simplify right side
    1,326,516.24x = 1,493,948,583,107.01
  5. Step 5: Solve for x
    x = 1,493,948,583,107.01/1,326,516.24
  6. Step 6: Final answer
    x = 1,126,219.60

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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.