Home / 1,222,918.60-1,834,637.10-369,920.20

Finding the Fourth Proportional to 1,222,918.60, 1,834,637.10 and 369,920.20

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Solution

The fourth proportional to 1,222,918.60, 1,834,637.10 and 369,920.20 is: 554,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,918.60 : 1,834,637.10 = 369,920.20 : x
  2. Step 2: Convert to fraction form
    1,222,918.60/1,834,637.10 = 369,920.20/x
  3. Step 3: Cross multiply
    1,222,918.60x = 1,834,637.10 × 369,920.20
  4. Step 4: Simplify right side
    1,222,918.60x = 678,669,322,959.42
  5. Step 5: Solve for x
    x = 678,669,322,959.42/1,222,918.60
  6. Step 6: Final answer
    x = 554,958.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.