Home / 1,093,415.05-1,508,725.85-634,424.40

Finding the Fourth Proportional to 1,093,415.05, 1,508,725.85 and 634,424.40

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Solution

The fourth proportional to 1,093,415.05, 1,508,725.85 and 634,424.40 is: 875,397.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,415.05 : 1,508,725.85 = 634,424.40 : x
  2. Step 2: Convert to fraction form
    1,093,415.05/1,508,725.85 = 634,424.40/x
  3. Step 3: Cross multiply
    1,093,415.05x = 1,508,725.85 × 634,424.40
  4. Step 4: Simplify right side
    1,093,415.05x = 957,172,488,978.62
  5. Step 5: Solve for x
    x = 957,172,488,978.62/1,093,415.05
  6. Step 6: Final answer
    x = 875,397.21

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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.