Home / 1,207,328.70-1,665,419.81-753,832.38

Finding the Fourth Proportional to 1,207,328.70, 1,665,419.81 and 753,832.38

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Solution

The fourth proportional to 1,207,328.70, 1,665,419.81 and 753,832.38 is: 1,039,855.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,328.70 : 1,665,419.81 = 753,832.38 : x
  2. Step 2: Convert to fraction form
    1,207,328.70/1,665,419.81 = 753,832.38/x
  3. Step 3: Cross multiply
    1,207,328.70x = 1,665,419.81 × 753,832.38
  4. Step 4: Simplify right side
    1,207,328.70x = 1,255,447,379,071.45
  5. Step 5: Solve for x
    x = 1,255,447,379,071.45/1,207,328.70
  6. Step 6: Final answer
    x = 1,039,855.49

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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.