Home / 1,642,964.90-2,267,210.59-917,668.22

Finding the Fourth Proportional to 1,642,964.90, 2,267,210.59 and 917,668.22

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Solution

The fourth proportional to 1,642,964.90, 2,267,210.59 and 917,668.22 is: 1,266,336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,964.90 : 2,267,210.59 = 917,668.22 : x
  2. Step 2: Convert to fraction form
    1,642,964.90/2,267,210.59 = 917,668.22/x
  3. Step 3: Cross multiply
    1,642,964.90x = 2,267,210.59 × 917,668.22
  4. Step 4: Simplify right side
    1,642,964.90x = 2,080,547,092,860.23
  5. Step 5: Solve for x
    x = 2,080,547,092,860.23/1,642,964.90
  6. Step 6: Final answer
    x = 1,266,336.91

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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.