Home / 1,642,968.36-2,267,133.30-917,800.47

Finding the Fourth Proportional to 1,642,968.36, 2,267,133.30 and 917,800.47

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Solution

The fourth proportional to 1,642,968.36, 2,267,133.30 and 917,800.47 is: 1,266,473.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,968.36 : 2,267,133.30 = 917,800.47 : x
  2. Step 2: Convert to fraction form
    1,642,968.36/2,267,133.30 = 917,800.47/x
  3. Step 3: Cross multiply
    1,642,968.36x = 2,267,133.30 × 917,800.47
  4. Step 4: Simplify right side
    1,642,968.36x = 2,080,776,008,292.65
  5. Step 5: Solve for x
    x = 2,080,776,008,292.65/1,642,968.36
  6. Step 6: Final answer
    x = 1,266,473.57

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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.