Home / 1,200,282.47-1,656,992.12-927,734.43

Finding the Fourth Proportional to 1,200,282.47, 1,656,992.12 and 927,734.43

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Solution

The fourth proportional to 1,200,282.47, 1,656,992.12 and 927,734.43 is: 1,280,739.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,282.47 : 1,656,992.12 = 927,734.43 : x
  2. Step 2: Convert to fraction form
    1,200,282.47/1,656,992.12 = 927,734.43/x
  3. Step 3: Cross multiply
    1,200,282.47x = 1,656,992.12 × 927,734.43
  4. Step 4: Simplify right side
    1,200,282.47x = 1,537,248,639,962.69
  5. Step 5: Solve for x
    x = 1,537,248,639,962.69/1,200,282.47
  6. Step 6: Final answer
    x = 1,280,739.06

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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.