Home / 1,085,338.36-1,627,988.10-445,503.16

Finding the Fourth Proportional to 1,085,338.36, 1,627,988.10 and 445,503.16

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Solution

The fourth proportional to 1,085,338.36, 1,627,988.10 and 445,503.16 is: 668,246.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,338.36 : 1,627,988.10 = 445,503.16 : x
  2. Step 2: Convert to fraction form
    1,085,338.36/1,627,988.10 = 445,503.16/x
  3. Step 3: Cross multiply
    1,085,338.36x = 1,627,988.10 × 445,503.16
  4. Step 4: Simplify right side
    1,085,338.36x = 725,273,842,992.40
  5. Step 5: Solve for x
    x = 725,273,842,992.40/1,085,338.36
  6. Step 6: Final answer
    x = 668,246.76

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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.