Home / 1,388,716.02-2,081,182.28-849,161.25

Finding the Fourth Proportional to 1,388,716.02, 2,081,182.28 and 849,161.25

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Solution

The fourth proportional to 1,388,716.02, 2,081,182.28 and 849,161.25 is: 1,272,585.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,716.02 : 2,081,182.28 = 849,161.25 : x
  2. Step 2: Convert to fraction form
    1,388,716.02/2,081,182.28 = 849,161.25/x
  3. Step 3: Cross multiply
    1,388,716.02x = 2,081,182.28 × 849,161.25
  4. Step 4: Simplify right side
    1,388,716.02x = 1,767,259,342,116.84
  5. Step 5: Solve for x
    x = 1,767,259,342,116.84/1,388,716.02
  6. Step 6: Final answer
    x = 1,272,585.12

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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.