Home / 1,363,405.08-2,044,886.10-643,745.39

Finding the Fourth Proportional to 1,363,405.08, 2,044,886.10 and 643,745.39

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Solution

The fourth proportional to 1,363,405.08, 2,044,886.10 and 643,745.39 is: 965,513.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,405.08 : 2,044,886.10 = 643,745.39 : x
  2. Step 2: Convert to fraction form
    1,363,405.08/2,044,886.10 = 643,745.39/x
  3. Step 3: Cross multiply
    1,363,405.08x = 2,044,886.10 × 643,745.39
  4. Step 4: Simplify right side
    1,363,405.08x = 1,316,385,989,725.65
  5. Step 5: Solve for x
    x = 1,316,385,989,725.65/1,363,405.08
  6. Step 6: Final answer
    x = 965,513.48

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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.