Home / 1,426,636.94-1,969,387.29-998,597.30

Finding the Fourth Proportional to 1,426,636.94, 1,969,387.29 and 998,597.30

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Solution

The fourth proportional to 1,426,636.94, 1,969,387.29 and 998,597.30 is: 1,378,504.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,636.94 : 1,969,387.29 = 998,597.30 : x
  2. Step 2: Convert to fraction form
    1,426,636.94/1,969,387.29 = 998,597.30/x
  3. Step 3: Cross multiply
    1,426,636.94x = 1,969,387.29 × 998,597.30
  4. Step 4: Simplify right side
    1,426,636.94x = 1,966,624,820,601.38
  5. Step 5: Solve for x
    x = 1,966,624,820,601.38/1,426,636.94
  6. Step 6: Final answer
    x = 1,378,504.07

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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.