Home / 1,762,382.49-2,643,035.58-1,218,769.29

Finding the Fourth Proportional to 1,762,382.49, 2,643,035.58 and 1,218,769.29

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Solution

The fourth proportional to 1,762,382.49, 2,643,035.58 and 1,218,769.29 is: 1,827,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,382.49 : 2,643,035.58 = 1,218,769.29 : x
  2. Step 2: Convert to fraction form
    1,762,382.49/2,643,035.58 = 1,218,769.29/x
  3. Step 3: Cross multiply
    1,762,382.49x = 2,643,035.58 × 1,218,769.29
  4. Step 4: Simplify right side
    1,762,382.49x = 3,221,250,597,281.34
  5. Step 5: Solve for x
    x = 3,221,250,597,281.34/1,762,382.49
  6. Step 6: Final answer
    x = 1,827,781.78

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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.