Home / 1,043,648.40-1,565,253.90-511,551.30

Finding the Fourth Proportional to 1,043,648.40, 1,565,253.90 and 511,551.30

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Solution

The fourth proportional to 1,043,648.40, 1,565,253.90 and 511,551.30 is: 767,219.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,648.40 : 1,565,253.90 = 511,551.30 : x
  2. Step 2: Convert to fraction form
    1,043,648.40/1,565,253.90 = 511,551.30/x
  3. Step 3: Cross multiply
    1,043,648.40x = 1,565,253.90 × 511,551.30
  4. Step 4: Simplify right side
    1,043,648.40x = 800,707,667,375.07
  5. Step 5: Solve for x
    x = 800,707,667,375.07/1,043,648.40
  6. Step 6: Final answer
    x = 767,219.75

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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.