Home / 1,005,020.26-1,386,933.60-546,138.64

Finding the Fourth Proportional to 1,005,020.26, 1,386,933.60 and 546,138.64

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Solution

The fourth proportional to 1,005,020.26, 1,386,933.60 and 546,138.64 is: 753,674.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,020.26 : 1,386,933.60 = 546,138.64 : x
  2. Step 2: Convert to fraction form
    1,005,020.26/1,386,933.60 = 546,138.64/x
  3. Step 3: Cross multiply
    1,005,020.26x = 1,386,933.60 × 546,138.64
  4. Step 4: Simplify right side
    1,005,020.26x = 757,458,030,074.30
  5. Step 5: Solve for x
    x = 757,458,030,074.30/1,005,020.26
  6. Step 6: Final answer
    x = 753,674.39

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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.