Home / 1,642,987.68-2,267,298-917,845.80

Finding the Fourth Proportional to 1,642,987.68, 2,267,298 and 917,845.80

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Solution

The fourth proportional to 1,642,987.68, 2,267,298 and 917,845.80 is: 1,266,613.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,987.68 : 2,267,298 = 917,845.80 : x
  2. Step 2: Convert to fraction form
    1,642,987.68/2,267,298 = 917,845.80/x
  3. Step 3: Cross multiply
    1,642,987.68x = 2,267,298 × 917,845.80
  4. Step 4: Simplify right side
    1,642,987.68x = 2,081,029,946,648.40
  5. Step 5: Solve for x
    x = 2,081,029,946,648.40/1,642,987.68
  6. Step 6: Final answer
    x = 1,266,613.24

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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.