Home / 1,642,988.68-2,267,299.38-917,846.80

Finding the Fourth Proportional to 1,642,988.68, 2,267,299.38 and 917,846.80

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Solution

The fourth proportional to 1,642,988.68, 2,267,299.38 and 917,846.80 is: 1,266,614.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,988.68 : 2,267,299.38 = 917,846.80 : x
  2. Step 2: Convert to fraction form
    1,642,988.68/2,267,299.38 = 917,846.80/x
  3. Step 3: Cross multiply
    1,642,988.68x = 2,267,299.38 × 917,846.80
  4. Step 4: Simplify right side
    1,642,988.68x = 2,081,033,480,574.98
  5. Step 5: Solve for x
    x = 2,081,033,480,574.98/1,642,988.68
  6. Step 6: Final answer
    x = 1,266,614.62

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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.