Home / 990,716.06-1,367,606.66-668,862.10

Finding the Fourth Proportional to 990,716.06, 1,367,606.66 and 668,862.10

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Solution

The fourth proportional to 990,716.06, 1,367,606.66 and 668,862.10 is: 923,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,716.06 : 1,367,606.66 = 668,862.10 : x
  2. Step 2: Convert to fraction form
    990,716.06/1,367,606.66 = 668,862.10/x
  3. Step 3: Cross multiply
    990,716.06x = 1,367,606.66 × 668,862.10
  4. Step 4: Simplify right side
    990,716.06x = 914,740,262,581.59
  5. Step 5: Solve for x
    x = 914,740,262,581.59/990,716.06
  6. Step 6: Final answer
    x = 923,312.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.