Home / 1,345,931.73-1,857,673.23-773,287.65

Finding the Fourth Proportional to 1,345,931.73, 1,857,673.23 and 773,287.65

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Solution

The fourth proportional to 1,345,931.73, 1,857,673.23 and 773,287.65 is: 1,067,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,931.73 : 1,857,673.23 = 773,287.65 : x
  2. Step 2: Convert to fraction form
    1,345,931.73/1,857,673.23 = 773,287.65/x
  3. Step 3: Cross multiply
    1,345,931.73x = 1,857,673.23 × 773,287.65
  4. Step 4: Simplify right side
    1,345,931.73x = 1,436,515,766,494.61
  5. Step 5: Solve for x
    x = 1,436,515,766,494.61/1,345,931.73
  6. Step 6: Final answer
    x = 1,067,302.10

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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.