Home / 1,348,513.92-1,861,005.85-775,554.62

Finding the Fourth Proportional to 1,348,513.92, 1,861,005.85 and 775,554.62

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Solution

The fourth proportional to 1,348,513.92, 1,861,005.85 and 775,554.62 is: 1,070,297.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,513.92 : 1,861,005.85 = 775,554.62 : x
  2. Step 2: Convert to fraction form
    1,348,513.92/1,861,005.85 = 775,554.62/x
  3. Step 3: Cross multiply
    1,348,513.92x = 1,861,005.85 × 775,554.62
  4. Step 4: Simplify right side
    1,348,513.92x = 1,443,311,673,570.61
  5. Step 5: Solve for x
    x = 1,443,311,673,570.61/1,348,513.92
  6. Step 6: Final answer
    x = 1,070,297.94

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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.