Home / 1,043,391.70-1,566,124.35-511,513.30

Finding the Fourth Proportional to 1,043,391.70, 1,566,124.35 and 511,513.30

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Solution

The fourth proportional to 1,043,391.70, 1,566,124.35 and 511,513.30 is: 767,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,391.70 : 1,566,124.35 = 511,513.30 : x
  2. Step 2: Convert to fraction form
    1,043,391.70/1,566,124.35 = 511,513.30/x
  3. Step 3: Cross multiply
    1,043,391.70x = 1,566,124.35 × 511,513.30
  4. Step 4: Simplify right side
    1,043,391.70x = 801,093,434,478.86
  5. Step 5: Solve for x
    x = 801,093,434,478.86/1,043,391.70
  6. Step 6: Final answer
    x = 767,778.23

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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.