Home / 1,135,293.78-1,565,077.50-893,155.89

Finding the Fourth Proportional to 1,135,293.78, 1,565,077.50 and 893,155.89

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Solution

The fourth proportional to 1,135,293.78, 1,565,077.50 and 893,155.89 is: 1,231,274.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,293.78 : 1,565,077.50 = 893,155.89 : x
  2. Step 2: Convert to fraction form
    1,135,293.78/1,565,077.50 = 893,155.89/x
  3. Step 3: Cross multiply
    1,135,293.78x = 1,565,077.50 × 893,155.89
  4. Step 4: Simplify right side
    1,135,293.78x = 1,397,858,187,431.48
  5. Step 5: Solve for x
    x = 1,397,858,187,431.48/1,135,293.78
  6. Step 6: Final answer
    x = 1,231,274.42

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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.