Home / 1,243,944.42-1,717,172.95-836,282.70

Finding the Fourth Proportional to 1,243,944.42, 1,717,172.95 and 836,282.70

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Solution

The fourth proportional to 1,243,944.42, 1,717,172.95 and 836,282.70 is: 1,154,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,944.42 : 1,717,172.95 = 836,282.70 : x
  2. Step 2: Convert to fraction form
    1,243,944.42/1,717,172.95 = 836,282.70/x
  3. Step 3: Cross multiply
    1,243,944.42x = 1,717,172.95 × 836,282.70
  4. Step 4: Simplify right side
    1,243,944.42x = 1,436,042,030,992.97
  5. Step 5: Solve for x
    x = 1,436,042,030,992.97/1,243,944.42
  6. Step 6: Final answer
    x = 1,154,426.20

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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.