Home / 1,363,403.76-2,044,884.14-643,744.08

Finding the Fourth Proportional to 1,363,403.76, 2,044,884.14 and 643,744.08

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Solution

The fourth proportional to 1,363,403.76, 2,044,884.14 and 643,744.08 is: 965,511.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,403.76 : 2,044,884.14 = 643,744.08 : x
  2. Step 2: Convert to fraction form
    1,363,403.76/2,044,884.14 = 643,744.08/x
  3. Step 3: Cross multiply
    1,363,403.76x = 2,044,884.14 × 643,744.08
  4. Step 4: Simplify right side
    1,363,403.76x = 1,316,382,059,410.89
  5. Step 5: Solve for x
    x = 1,316,382,059,410.89/1,363,403.76
  6. Step 6: Final answer
    x = 965,511.54

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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.