Home / 1,458,344.20-2,187,516.30-511,810.60

Finding the Fourth Proportional to 1,458,344.20, 2,187,516.30 and 511,810.60

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Solution

The fourth proportional to 1,458,344.20, 2,187,516.30 and 511,810.60 is: 767,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,344.20 : 2,187,516.30 = 511,810.60 : x
  2. Step 2: Convert to fraction form
    1,458,344.20/2,187,516.30 = 511,810.60/x
  3. Step 3: Cross multiply
    1,458,344.20x = 2,187,516.30 × 511,810.60
  4. Step 4: Simplify right side
    1,458,344.20x = 1,119,594,030,012.78
  5. Step 5: Solve for x
    x = 1,119,594,030,012.78/1,458,344.20
  6. Step 6: Final answer
    x = 767,715.90

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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.