Home / 1,207,317.11-1,665,734.28-723,705.80

Finding the Fourth Proportional to 1,207,317.11, 1,665,734.28 and 723,705.80

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Solution

The fourth proportional to 1,207,317.11, 1,665,734.28 and 723,705.80 is: 998,496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,317.11 : 1,665,734.28 = 723,705.80 : x
  2. Step 2: Convert to fraction form
    1,207,317.11/1,665,734.28 = 723,705.80/x
  3. Step 3: Cross multiply
    1,207,317.11x = 1,665,734.28 × 723,705.80
  4. Step 4: Simplify right side
    1,207,317.11x = 1,205,501,551,366.15
  5. Step 5: Solve for x
    x = 1,205,501,551,366.15/1,207,317.11
  6. Step 6: Final answer
    x = 998,496.21

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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.