Home / 1,079,419.13-1,489,729.61-626,710.13

Finding the Fourth Proportional to 1,079,419.13, 1,489,729.61 and 626,710.13

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Solution

The fourth proportional to 1,079,419.13, 1,489,729.61 and 626,710.13 is: 864,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,419.13 : 1,489,729.61 = 626,710.13 : x
  2. Step 2: Convert to fraction form
    1,079,419.13/1,489,729.61 = 626,710.13/x
  3. Step 3: Cross multiply
    1,079,419.13x = 1,489,729.61 × 626,710.13
  4. Step 4: Simplify right side
    1,079,419.13x = 933,628,631,666.08
  5. Step 5: Solve for x
    x = 933,628,631,666.08/1,079,419.13
  6. Step 6: Final answer
    x = 864,936.16

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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.