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Finding the Fourth Proportional to 1,338,968.34, 1,849,037.41 and 932,182.48

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Solution

The fourth proportional to 1,338,968.34, 1,849,037.41 and 932,182.48 is: 1,287,289.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,968.34 : 1,849,037.41 = 932,182.48 : x
  2. Step 2: Convert to fraction form
    1,338,968.34/1,849,037.41 = 932,182.48/x
  3. Step 3: Cross multiply
    1,338,968.34x = 1,849,037.41 × 932,182.48
  4. Step 4: Simplify right side
    1,338,968.34x = 1,723,640,266,298.74
  5. Step 5: Solve for x
    x = 1,723,640,266,298.74/1,338,968.34
  6. Step 6: Final answer
    x = 1,287,289.78

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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.