Home / 1,399,923.84-1,931,878.08-796,310.40

Finding the Fourth Proportional to 1,399,923.84, 1,931,878.08 and 796,310.40

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Solution

The fourth proportional to 1,399,923.84, 1,931,878.08 and 796,310.40 is: 1,098,898.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,923.84 : 1,931,878.08 = 796,310.40 : x
  2. Step 2: Convert to fraction form
    1,399,923.84/1,931,878.08 = 796,310.40/x
  3. Step 3: Cross multiply
    1,399,923.84x = 1,931,878.08 × 796,310.40
  4. Step 4: Simplify right side
    1,399,923.84x = 1,538,374,606,636.03
  5. Step 5: Solve for x
    x = 1,538,374,606,636.03/1,399,923.84
  6. Step 6: Final answer
    x = 1,098,898.78

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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.